User Guide for the Envoy Data Link SLC Doc Number UG-15000 Revision A 12335 134th Court NE Redmond, WA 98052 USA Tel: (425) 285-3000 Fax: (425) 285-4200 Email: info@Spectralux.com Preparer: Engineer: Digitally signed by Jenelle Anderson DN: cn=Jenelle Anderson, o=Technical Writer, ou=Engineering, email=jenellea@spectralux.com, c=US Date: 2020.04.01 11:52:20 -07'00' Digitally signed by Frank E. Hummel DN: cn=Frank E. Hummel, o=Director of Engineering, ou=Engineering, email=frankh@spectralux.
User Guide for the Envoy Data Link CHANGE RECORD PARAGRAPH DESCRIPTION OF CHANGE All Initial Release All Updated with engineering feedback for terminology, implemented feeatured; deferred features are hidden. See ECO 15403 Document Number: UG-15000 Rev.
User Guide for the Envoy Data Link TABLE OF CONTENTS 1 Introduction ............................................................................................................................ 10 1.1 Audience...................................................................................................................................... 10 1.2 Overview...................................................................................................................................... 10 1.2.
User Guide for the Envoy Data Link 3.1.1 Aircrew LOGON Request ............................................................................................... 26 3.1.2 ATSU Connection Request............................................................................................. 27 3.1.3 CDA Assigns Next Data Authority .................................................................................. 27 3.1.4 NDA Requests a Second CPDLC Connection ...............................................
User Guide for the Envoy Data Link 6 5.4.4 ACARS MSG LOG ......................................................................................................... 84 5.4.5 ACARS Service Messages ............................................................................................. 86 5.4.6 FLIGHT LOG .................................................................................................................. 87 5.4.7 ACARS FLIGHT INIT.....................................................
User Guide for the Envoy Data Link E.2 ACARS Uplink Message Labels ................................................................................................. 129 Appendix F ATSU Call Signs (ICAO, IATA) ........................................................................... 130 F.1 ICAO Codes by Region .............................................................................................................. 130 F.2 IATA Codes for Airports/Cities ............................................
User Guide for the Envoy Data Link Figure 3-20 EMERGENCY—two of several possible views ............................................................ 51 Figure 3-21 ATC MSG LOG............................................................................................................ 52 Figure 3-22 ATC MESSAGE LOG DETAIL..................................................................................... 53 Figure 3-23 CLEARANCE REQUESTS MENU ..................................................................
User Guide for the Envoy Data Link Figure 6-3FAULT LOG.................................................................................................................... 92 Figure 6-4 FAULT DESCR-ID 1/2 and 2/2 ...................................................................................... 93 Figure 6-5 MONITOR 1/6 – COMM Status ..................................................................................... 94 Figure 6-6 MONITOR 2/6 – Status of Discretes and Enabled COMM .....................
User Guide for the Envoy Data Link Table 3-10 ATC REPORT ALT Fields............................................................................................. 45 Table 3-11 FANS Response to Multi-Element UM with REPORT LEAVING .................................. 46 Table 3-12 WHEN CAN WE EXPECT Fields.................................................................................. 49 Table 3-13 POS REPORT Fields .............................................................................................
User Guide for the Envoy Data Link 1 Introduction This document is a functional description of the Spectralux Envoy Data Link All-In-One and contains common procedural scenarios and field-level help for all pages of a full-featured Envoy configuration, including all COMM modes and maintenance pages accessible by the aircrew. 1.1 Audience This document is intended for aircrew training and is meant to be used in conjunction with other training material, such as Computer Based Training (CBT).
User Guide for the Envoy Data Link 1.2.2 Reference Documents Document ID ARINC 618 ARINC 620-9 ARINC 622 ARINC 623-3 EUROCAE ED-85A EUROCAE ED-89A EUROCAE ED-106A INST-15000-1 1.
User Guide for the Envoy Data Link Manage ADS contract reporting • View status of aircraft and aircraft sensors o System Config o Engine Data o Doors o Flaps o Air/Gnd o Parking Brake The Envoy can host up to three (3) additional devices, including SATCOM, FMS, and DFDAU and can perform as a SATCOM dialer or request or relay voice contact settings to other aircraft. Depending on which features are enabled, the main menu may display the Envoy top level menu (described in Section 2.
User Guide for the Envoy Data Link ATN B1 CPDLC ATN B1 messaging is available throughout Europe. See Appendix C for VDR ATN B1 in Europe. Aircrew requests, instructions, responses, and network acknowledgements i.e. Uplink and Downlink messaging can be transmitted in microseconds, alleviating radio frequency congestion in the European airspace.
User Guide for the Envoy Data Link (ADS applications) that are compatible with the Aeronautical Telecommunications Network (ATN) concept. The ADS system has three contract modes of operation: periodic contract mode, event contract mode, and demand contract mode. Each of these modes may be active simultaneously; the Envoy supports up to five active ADS-C reports. The Envoy is designed to support Reduced Lateral Separation Minima within the North Atlantic, where flights are separated by ½-degree latitude.
User Guide for the Envoy Data Link The Envoy handles ACARS print uplink and printer status downlink messages automatically. Aircrew can print CPDLC and ACARS messages and message logs for general reference. Printable pages display a PRINT or PRINT LOG action. 1.3.
User Guide for the Envoy Data Link 2 Operation of Envoy Envoy’s CPDLC message processing uses standard flight data and free text message elements and includes validation to ensure message composition of downlinks is robust and valid. The intuitive user interface has message assurance response (message acknowledgement) and message latency monitoring. In short, Envoy supports ATSU interoperability for aircraft in any airspace as shown in Figure 2-1, Section 1.1.2.
User Guide for the Envoy Data Link Table 2-1 Legend for Envoy Menu Tree Diagram Color Page type Description ATC pages (violet) CPDLC pages available when logged into FANS or ATN B1.
User Guide for the Envoy Data Link • • • • • • Visual annunciators Aural alert support Sensors that automatically adjust display brightness An intuitive LSK structure Multipurpose function keys are shortcuts for viewing new messages and notifications Built-in logic checking to validate input data, enabling LSK actions only when mandatory data has been entered Built- in verification of constructed messages before sending Event triggers for downlinks Automatic queueing of event-triggered reports based on me
User Guide for the Envoy Data Link Item Color Description SMALL FONT LARGE FONT SMALL FONT ------------------ White White Green White FUNC> Green Blue Green Descriptive labels above or adjacent to data input fields. Text for an open message (UM or DM). Text for a closed or message. The visual delimiter above LSK L6 and LSK R6 separating input fields from page navigation and action prompts. Return to parent page or menu.
User Guide for the Envoy Data Link For free text, the left LSK either upselects the line of text, or if the scratchpad is empty, downselects the content, which can then be deleted, edited, or copied (upselected to another LSK). 2.2.5 Function Keys The function keys located across the top of the Envoy provide quick access to common tasks.
User Guide for the Envoy Data Link Alerts An alerting message is an uplink or a system state/fault that activates visual annunciators and an aural alert. If multiple messages accrue, the messages stack in the scratchpad in top-down prioritized order according to type of information and fault severity. Alert messages accrue in the respective message log and can be viewed by going to the respective log file.
User Guide for the Envoy Data Link REPORT SENT ROUTE NOT LOADABLE SENDING SATCOM LINK TEST SENDING VHF LINK TEST TEST NOT AVAILABLE 2.2.8 Maintenance test function Maintenance test function A necessary peripheral device for conducting the test is unavailable. Data Formatting and Data Validation The Envoy autopopulates fields with autopopulated data from connected cockpit devices.
User Guide for the Envoy Data Link AOC/ACARS input fields accept ICAO and IATA formats: Facility ID POS (position) 2.3 For certain AOC position reports, the 3-character IATA code is required, for other input fields, a 4-character ICAO field is required. See Appendix F for 3 and 4 character equivalents.
User Guide for the Envoy Data Link Fault data is persisted and can be viewed in detail by maintenance crew. Severity 1 errors display in amber text and the FAIL annunciator illuminates. The example in Figure 2-6 is a load error that requires factory repair: Figure 2-6 Load Error 2.
User Guide for the Envoy Data Link established VHF frequency, and upon connection, the scratchpad displays an advisory message, VHF ESTABLISHED, as shown in Figure 2-7 Establishing a COMM Link at Start Up. Figure 2-7 Establishing a COMM Link at Start Up The availability of a VHF data link determines which messaging protocol is available for CPDLC logon. Table 2-3 Link Media Messaging Protocol ATN B1 CPDLC FANS 1/A+ CPDLC, ADS-C ACARS 2.5.1 Link Media Supported VDL Mode 2 required.
User Guide for the Envoy Data Link 3 CPDLC Operations CPDLC messages for both FANS and ATN can be viewed as two-way conversations that comprise a ground control instruction (uplink message, or UM) from an ATSU or a pilot request (downlink message, or DM) and required responses to close the communication transaction.
User Guide for the Envoy Data Link If the ATSU ID in the LOGON TO field (LSK L1) exists in the TSAP database, then the Envoy automatically displays the ATC Menu for ATN; if the ATSU ID is not in the TSAP database, the Envoy displays the ATC Menu for FANS. 1. When the aircrew completes the procedure to logon, the Envoy sends an AFN CONTACT message to a specified ATSU. 2. The ATSU responds with an AFN ACKNOWLEDGEMENT message. 3. AFN Logon is complete. 3.1.2 ATSU Connection Request 1.
User Guide for the Envoy Data Link Figure 3-1 Nominal Messaging Sequence for CPDLC Transfer The aircrew can initiate a CPDLC session. From the ATC menu, press LSK R6 (LOGON/STATUS). The ATC LOGON/STATUS 1/2 page should autopopulate with the flight data and aircraft data. The aircrew must provide the ATC facility ID they want to connect to. Figure 3-2 ATC LOGON/STATUS 1/2 with ATSU, Enabling LOGON Prompt (LSK R6) The Envoy can autopopulate all required inputs except for the ATSU ID.
User Guide for the Envoy Data Link LSK LABEL R5 DLK STATUS R6 LOGON Description Read-only. Data Link Status. (AVAIL(able) is required for logon). See details in Table 3-2 below. Visible when required fields have been entered. If the message times out before the ATSU sends a connection request, this field with RESEND instead of LOGON at LSK R6. The LOGON/STATUS 2/2 page displays different information, depending on which COMM is available (FANS or ATN) in the airspace (see Figure 3-3).
User Guide for the Envoy Data Link LABEL Description R1 LSK ADS EMER OFF R3 ADS-C TABLE DLK STATUS FANS only. Header displays current emergency state OFF (default) or ON Selecting ON activates emergency broadcast mode (1-minute intervals). Other ways to activate emergency broadcast mode: • Press the ATC function key for 5 seconds or longer to activate ADS Emergency, even when not connected to a ground facility. • Send a MAYDAY MAYDAY MAYDAY or PAN PAN PAN free text downlink FANS only.
User Guide for the Envoy Data Link • • If in the same DSP (FANS or ATN), the Envoy is automatically aborts any open messages with the CDA and transitions the session to the CDA If the transition involves changing DSP (i.e., from FANS to ATN, or ATN to FANS), any open message transactions are aborted, the scratchpad displays an advisory message: TERMINATED, and the aircrew must conduct a logon procedure. The Envoy displays the NDA ATSU ID in the LOGON TO field.
User Guide for the Envoy Data Link • • • • • Intuitive formatting of aircrew input for altitude (flight level) An optional selection list (DUE TO) An optional input field that accepts either TIME or WAYPOINT—available only in a FANS connection VERIFY page showing message construction, optional free text appended, typical of DM Automated ground network acknowledgement This sequence applies to both ATN B1 and FANS 1/A+. Step 1.
User Guide for the Envoy Data Link Step 3. Verify and comment The VERIFY ALT REQUEST page allows the aircrew to add an optional FREE TEXT at LSK L3 (and LSK L4) to clarify or justify a request. Envoy verifies that the DM is within the ATS limits (less than or equal to 2000 ft (+/-130 ft) above or below current altitude and is odd/even depending on east/west heading) before displaying the SEND action at LSK R6. Aircrew can press LSK L6 (RETURN) to revise the DM request. Step 4.
User Guide for the Envoy Data Link Step 2. Message Composition On ATC SPEED REQ, enter speed, such as: • 60 (50 to 99 in increments of 1) • 350 (100 to 400 KTS in increments of 1) • 7 (5 to 9 in increments of 1) • .78M 100 KTS 100 to 400 in increments of 1) (IAS) Press LSK L1 to upselect the input at the scratchpad. Optionally select a DUE TO reason by pressing LSK R1: • • • (default) WEATHER PERFORMANCE When required field(s) are filled, VERIFY appears at LSK R6. Step 3.
User Guide for the Envoy Data Link Step 5. View Message Detail An INCREASE SPEED uplink from the ground station appears as NEW, closes the REQ SPEED downlink, and transitions to ACCEPTED upon a WILCO response from aircrew. 3.4.3 UM (Uplink Message) Instructions That Require Aircrew Response The Envoy supports building a required response, such as a confirmation, by including all elements from the UM as input fields (possibly prefilled) at the end of each ATC uplink message (UM) detail page.
User Guide for the Envoy Data Link Multi-element Instructions that Require Verification For multi-element uplinks that require input and verification prior to sending a response, the uplink detail page displays required downlink input fields at right side LSKs, enabling the aircrew to create a response with minimum effort. The required field(s) may be a selection list with a default value already selected. Actionable responses (UNABLE, WILCO, STANDBY) may be on the second page of the uplink detail page.
User Guide for the Envoy Data Link Step 4. Sending/Open/Closed Status Upon pressing send, the ATC MSG LOG updates to show both messages as closed, with identifiers: • U (for uplink) or D ( for downlink) • Timestamp • Partial description of the message(s) in this dialog With no open ATC messages, the ATC annunciator extinguishes. For additional detail about UM and DM messages and the types of message response attributes (AFFIRM, WILCO, UNABLE, etc.), see Appendix C and Appendix D.
User Guide for the Envoy Data Link 3.5 ATC Menu On the Envoy Main Menu, press LSK L2 (ATC) to open the ATC MENU page for either FANS or ATN. The following sections describe the ATC menu structure in the Envoy Menu Tree. When CPDLC logon is established, the top-level ATC MENU can be accessed by pressing the ATC function key. The menu selections available on this page vary depending on whether a FANS 1/A+ or ATN B1 connection.
User Guide for the Envoy Data Link 3.5.1 ATC Request Menu – FANS 1/A+ and ATN B1 CPDLC Common The ATC Request menu is common to FANS and ATN for constructing downlink messages. Figure 3-6 ATC Request Menu If not logged onto a CPDLC session, attempts to access ALTITUDE, SPEED, or ROUTE MOD displays this advisory message in the scratchpad: • NO ACTIVE CPDLC SESSION The ATC REQUEST MENU also has access to ATS requests if ACARS is configured on the Envoy.
User Guide for the Envoy Data Link ATC ALT REQ Use this page to construct an altitude request. Access to this page requires an active CPDLC session. Figure 3-7 ATC ALT REQ Envoy formats a request and prompts aircrew to VERIFY the request prior to sending the downlink. Table 3-5 ATC ALT REQ Fields LSK Label L1 ALTITUDE L3 STEP AT POS OR TIME R1 DUE TO R6 SEND Document Number: UG-15000 Short Description Required.
User Guide for the Envoy Data Link ATC SPEED REQ Use this page to construct a speed request. Access to this page requires an active CPDLC session. Figure 3-8 ATC SPEED REQ Envoy formats a request and prompts aircrew to VERIFY the request prior to sending the downlink. Table 3-6 ATC SPEED REQ Fields LSK Label L1 SPEED R1 DUE TO L6 R6 RETURN VERIFY L3 FREE TEXT SEND R6 Short Description Required. Acceptable input: • MACH: 0.78, .78, 78, .78M or 0.
User Guide for the Envoy Data Link Figure 3-9 ATC ROUTE REQ ATN (left) and FANS (right) This page contains mutually exclusive inputs. When any one of the following parameters is entered, the other two parameters are disabled: • • • DIRECT TO OFFSET HEADING (FANS only) The optional Selection list DUE TO can be used with any of these three mutually exclusive inputs. This page generates a downlink that displays on a VERIFY page for aircrew review prior to sending.
User Guide for the Envoy Data Link For usage, see Section 5.4.1.3 D-ATIS Request DEPARTURE CLR REQ This clearance request is available in an active FANS CPDLC session when ACARS is a configured feature. This page constructs a formatted downlink that displays on a VERIFY page for aircrew review and approval prior to sending the downlink. For usage, see ACARS Section 5.4.1.
User Guide for the Envoy Data Link The aircrew can edit a queued FANS report by pressing the corresponding LSK to open the report detail. All ATC reports that have been sent can be viewed in the ATC MSG LOG. All queued reports are in the ATC REPORT Menu. When the aircraft is on ground, all ATC reports are automatically cleared after 10 minutes of being IN. Note One-time and event-triggered reports, such as OOOI reports and ADS-C reports (FANS only), differ from these CPDLC reports.
User Guide for the Envoy Data Link ATC REPORT ALT This page is available only during an active ATN CPDLC session. The Envoy automatically detects a valid flight level and displays the VERIFY action prompt. The aircrew can verify the resulting downlink prior to sending. Figure 3-11 ATC REPORT ALT The ATC REPORT ALT page for ATN B1 contains mutually exclusive fields and constructs a downlink report containing either present flight level or preferred flight level, disabling the other input field.
User Guide for the Envoy Data Link Figure 3-12 REPORT LEAVING DM Response The Aircrew has the option to set the report to MANUAL (Selection list at LSK R4) before pressing LSK R5 (WILCO). The LEAVING REPORT is queued in the REPORT MENU and is automatically downlinked when the aircraft is more than 130 feet outside of the indicated flight level (FL330 in Figure 3-13). If set to MAN RPT, the aircrew must send a free text message (DM28).
User Guide for the Envoy Data Link FANS REPORT: MAINTAINING When an uplink instruction includes a REPORT MAINTAINING element, if the aircrew response is WILCO, Envoy constructs a response message and automatically queues a report that has an event trigger of +/-130 ft outside the specified flight level for 30 seconds. Aircrew has the option to set the report to MANUAL before pressing WILCO.
User Guide for the Envoy Data Link FANS REPORT: CLIMBING TO When an uplink instruction includes a REPORT CLIMBING TO element, Envoy constructs a response message that automatically includes an armed DM report with an event trigger of 130 ft above the current aircraft flight level for 10 seconds or more if WILCO is the selected response. Aircrew has the option to set the report to MANUAL before pressing WILCO. For more about ARMED and DISARMED reports, see Table 3-9 (ATC) REPORTS (FANS.
User Guide for the Envoy Data Link 3.5.3 WHEN CAN WE EXPECT This page can be used to obtain a closure response to a FANS pending downlink request, such as a clearance request. Figure 3-18 WHEN CAN WE EXPECT Request Page Access to this page requires an active FANS 1/A+ CPDLC session. This page generates a downlink that displays on a VERIFY page for aircrew review prior to sending.
User Guide for the Envoy Data Link 3.5.4 POS REPORT Message – FANS 1/A+ Figure 3-19 POS REPORT A pilot-initiated position report contains current location data, up to two next fix IDs, and ETAs, as detailed in Table 3-13. Table 3-13 POS REPORT Fields LSK -L1 L2 L3 L4 L5 R1 R2 R3 R4 R5 Label ALT POS NEXT NEXT+1 SPEED TEMP ATA NEXT ETA DEST ETA REMAINING FUEL WIND Description Required read-only bus-fed A429 Pressure Altitude. Required. Current fix position 4 or 5 alpha characters. Optional.
User Guide for the Envoy Data Link 3.5.5 EMERGENCY (MAYDAY) Message – FANS 1/A+ Use the EMERGENCY page to send an urgent emergency request to change route. This page can be used to build many types of emergency requests and contains mutually exclusive fields. Figure 3-20 EMERGENCY—two of several possible views Mutually exclusive fields are detailed in two possible views in Figure 3-20, and further described in Table 3-14 EMERGENCY Fields.
User Guide for the Envoy Data Link 3.5.6 ATC MSG LOG This information is common to FANS 1/A+ and ATN B1. The ATC MSG LOG captures ATC and ATS uplink and downlink messages for the current flight in chronological order. The log file does not retain normal responses to controller uplinks; however, it does save responses if there is a delay in aircrew downlink or if the message is aborted. Figure 3-21 ATC MSG LOG The message log or an individual message detail can be printed.
User Guide for the Envoy Data Link Figure 3-22 ATC MESSAGE LOG DETAIL A message detail can be printed at any time. If an uplink message requires a response, the Envoy automatically formats the data items that must be included in the downlink response as input fields that align with LSKs on the right. 3.5.7 CLEARANCE REQUESTS – FANS 1/A+ CLEARANCE REQUESTS menu at LSK R2 of the ATC menu provides access to pages for requesting a procedure or clearance for departure, approach, or arrival.
User Guide for the Envoy Data Link CLEARANCE REQUEST This clearance request sends an ATS CLEARANCE REQUEST with optional free text explanation. Figure 3-24 FANS CLEARANCE REQUEST The CLEARANCE REQUEST can be sent with no input parameters. The aircrew can include optional free text to justify the clearance request. LSK L2 L6 R6 Label FREE TEXT RETURN VERIFY Document Number: UG-15000 Description A free text request for a clearance.
User Guide for the Envoy Data Link PROCEDURE REQUEST Use the PROCEDURE REQUEST page to construct and send a FANS DM request for a named departure, approach, or arrival procedure from the current data authority. Figure 3-25 FANS PROCEDURE REQUEST Table 3-15 PROCEDURE REQUEST Fields LSK Label L1 TYPE L3 R1 R6 TRANSITION NAME VERIFY Document Number: UG-15000 Description Required. Selection list: • Blank (default) • Departure • Approach • Arrival Optional.
User Guide for the Envoy Data Link 3.5.8 FREE TEXT 1/2 The FREE TEXT page accepts up to 256 characters (11 lines, or 2+ pages) input for a downlink to Air Traffic Services. This page is available in ATN, FANS, and in the ACARS flight menus. Figure 3-26 FREE TEXT When entering data, the Envoy automatically advances to the next line when a line is filled. When the max number of characters has been entered, an advisory message displays in the scratchpad.
User Guide for the Envoy Data Link 3.5.9 ATC VOICE CONTACT Message – FANS 1/A+ Use this page to: • • Request the current ATSU make voice contact at a given frequency or telephone number Relay information from another aircraft that cannot communicate directly with an ATSU Figure 3-27 REQUEST VOICE CONTACT This page contains mutually exclusive fields, and prompts aircrew to VERIFY the request prior to sending the downlink.
User Guide for the Envoy Data Link 3.5.10 Cancel EMERGENCY, Cancel ADS In FANS COMM, the Envoy provides the interface to cancel ADS emergency mode, if it has been turned on via a MAYDAY MAYDAY or PAN PAN PAN free text downlink message. The ATC LOGON/STATUS 2/2 page provides the interface to cancel ADS EMERGENCY mode and to view or cancel established ADS-C contracts. For more information, see: • • Section 4.1 ADS-C Section 4.2 ADS Emergency 3.5.
User Guide for the Envoy Data Link Step 3. Positive Response from FMC Press LSK R6 (SEND TO FMC) If no error message displays, the ROUTE CLEARANCE request displays a WILCO response at LSK R4. Press LSK R4. This generates an ACCEPTED response and logs the CLEARED TO uplink in the ATC MSG LOG with a message ID (timestamp) and a status of ACCEPTED. The ATSU typically replies with a CONFIRM ASSIGNED ROUTE.
User Guide for the Envoy Data Link 4 Automatic Dependent Surveillance (ADS) Automatic Dependent Surveillance (ADS) operation is a configuration option for aircraft and facilities that use two-way ADS messaging: • • ADSF - The airborne application ADSG - The ground-based peer (within the Air Traffic Services (ATS) provider system) The Envoy supports up to five (5) simultaneous ADS contracts with one or more ADSGs. Each contract specifies the downlink detail and frequency of reports.
User Guide for the Envoy Data Link Emergency Contract The ADS-C application also supports emergency alerting. An ADS-C emergency report is a periodic report that is tagged as an “emergency” report, allowing the emergency situation to be highlighted to ATC. An ADS-C emergency can be triggered by the aircrew in a number of ways: • • • Manually, by selecting the ADS-C emergency function; Indirectly, by triggering another type of emergency alerting system (e.g.
User Guide for the Envoy Data Link Table 4-1 ADS-C Contract Types Type Example(s) Periodic Emergency Demand Event Automatically send a position report every 14 minutes. Automatically send a position report every 1 minute. Interrogation of the aircraft for specific information; i.e., what is the aircrew current position? Events can trigger a report to be automatically downlinked. Typical events are: • Waypoint change event – downlinked when the active waypoint is changed.
User Guide for the Envoy Data Link LSK L1 R1 R3 Label Description ADS ON (OFF) ADS EMER OFF (ON) ADS-C (TABLE) Status of ADS reporting. Toggle to turn ADS reporting off (on) Status of ADS emergency mode. Toggle to turn ADS emergency mode on (off). Opens MAINTENANCE page (MONITOR 6/6) showing active ADS-C contracts. To view an established reporting contract, press the respective LSK.
User Guide for the Envoy Data Link 5 ACARS Operations The Envoy has standard ACARS messaging, which includes associated ATC messages, in a menu tree structure that supports all phases of flight. This section describes the default menu structure, page layouts, and field-level inputs for the standard ACARS menu tree and message set shown in Figure 2-3. Airlines may specify up to 72 custom 2-page screens for ACARS messages.
User Guide for the Envoy Data Link 5.1 ACARS Configurations The Envoy supports IATA and ICAO standard formats for ARINC messages, as summarized in Appendix E The standard ACARS menu structure, page layout, and defaults described in this section may have been customized. Check the with the airline company for a given aircraft configuration.
User Guide for the Envoy Data Link Figure 5-1 ACARS Menu LSK L1 L2 L3 R1 R2 R3 R4 Label PRE FLIGHT EN ROUTE POST FLIGHT ACARS MSG LOG SERVICE MSGS FLIGHT LOG FLIGHT INIT Document Number: UG-15000 Section 5.4.1 5.4.2 5.4.3 5.4.4 5.4.5 5.4.6 5.4.
User Guide for the Envoy Data Link 5.4.1 The PRE FLIGHT MENU The PRE FLIGHT MENU 1/2 and 2/2 pages link to flight initialization settings, common weather reporting, and clearance requests.
User Guide for the Envoy Data Link Flight Initialization The FLIGHT INIT page is used to set details about the aircraft, flight, and captain/first officer. Data on this page populates read-only fields on other ACARS pages. Figure 5-3 FLIGHT INIT Table 5-1 FLIGHT INIT Fields LSK LABEL FUNCTION or DESCRIPTION L1 CALL SIGN Required. Autopopulated or manually input. L2 FLIGHT NO Required. Autopopulated or manually input. L3 FOB*100 Optional.
User Guide for the Envoy Data Link Weather Request Use the WEATHER REQUEST page to create recurrent weather reports for up to four ATSU stations. This request is available from ACARS Pre Flight, En Route, and Service Messages menus; it is also available from the ATC REQUEST menu if both ACARS and one or more CPDLC COMM interfaces is installed.
User Guide for the Envoy Data Link D-ATIS Request The D-ATIS REQUEST is available from ACARS PRE FLIGHT and EN ROUTE menus and, if the Envoy has at least one CPDLC COMM feature enabled, from the ATC REQUEST menu. Figure 5-5 D-ATIS REQUEST Table 5-3 D-ATIS REQUEST Fields LSK LABEL FUNCTION or DESCRIPTION L1 ORIG/DEST R1 R6 L6 AIRPORT SEND Required. Selection list: • ORIGIN (default) • EN ROUTE • DEST • DEST AUTO-UPDATE • TERMINATE AUTO(-UPDATE) Required.
User Guide for the Envoy Data Link Departure Clearance Request The DEPARTURE CLR REQ is available from ACARS PRE FLIGHT menu and, if logged into a CPDLC session, from the ATC REQUEST menu. Figure 5-6 DEPARTURE CLR REQ The DEPARTURE CLEARANCE REQUEST obtains most of the inputs from bus-fed data; if autopopulated data is unavailable, it can be manually entered.
User Guide for the Envoy Data Link Oceanic Clearance Request Available from ACARS PRE FLIGHT and ACARS EN ROUTE menus, and, if a CPDLC COMM session is active, from the ATC REQUEST menu. When required data has been entered, the SEND action is available at LSK R6. Figure 5-7 OCEANIC CLR REQ The data input in the fields on this page persists if user navigates away from this page before sending the request. Table 5-5 OCEANIC CLR REQ Fields LSK L1 LABEL FUNCTION or DESCRIPTION Required.
User Guide for the Envoy Data Link Pushback Clearance Request Use the PUSHBACK CLR REQ to notify ATC of request to commence departure. Figure 5-8 PUSHBACK CLR REQ All of the information on this page, other than free text, may be autopopulated from available flight data or from prior ACARS or CPDLC activity for the current flight. Table 5-6 PUSHBACK CLR REQ Fields LSK L1 L2 L3 L4 R1 R3 R6 LABEL ORIG GATE DATE (DD) FREE TEXT DEST TIME SEND Document Number: UG-15000 FUNCTION or DESCRIPTION Read only.
User Guide for the Envoy Data Link Taxi Clearance Request Use the TAXI CLR REQ page to notify ATC of intent to depart gate. Figure 5-9 TAXI CLR REQ To make changes to the flight information, go to the Flight Init page in the Preflight Menu Section 5.4.1.1 Table 5-7 TAXI CLR REQ Fields LSK LABEL L1 ORIG L2 L3 L4 R1 DATE LOCATION FREE TEXT DEST R3 R6 TIME SEND L6 RETURN FUNCTION or DESCRIPTION Required. Autopopulated read-only ICAO departure airport.
User Guide for the Envoy Data Link Departure Delay Request Use this page to construct a downlink request informing ATC of a delay in any part of the flight initialization. Figure 5-10 DEPARTURE DELAY Table 5-8 DEPARTURE DELAY Fields LSK LABEL FUNCTION or DESCRIPTION L1 SCHEDULED Required. Scheduled departure time may autopopulate from autopopulated data or be manually input by aircrew. L2 FREE TEXT R1 R6 ETD SEND Optional. Justification for requesting a departure delay. Required.
User Guide for the Envoy Data Link Terminal Weather Request (TWIP) Establish or cancel repeating or single weather reports for a given airport. Figure 5-11 TERMINAL WXR REQ Table 5-9 TERMINAL WXR REQ Fields LSK L1 LABEL TYPE FUNCTION or DESCRIPTION Required. Selection list. Acceptable values: (default) SINGLE TWIP REPORT AUTOMATIC UPDATE TERMINATE AUTO L2 L6 R6 AIRPORT RETURN SEND Document Number: UG-15000 Required. Autopopulated or manually input if not available.
User Guide for the Envoy Data Link 5.4.2 ACARS EN ROUTE MENU Provides access to en route reports. Provides links to the following: • • • • • • • • • Weather Request D-ATIS Request Position Report Oceanic Clr Req Diversion Report Engine #1/#2 Data AIRCREW MISC ETA Revision ETA Report Weather Request See Section 5.4.1.2 D-ATIS Request See Section 5.4.1.3 D-ATIS Request Document Number: UG-15000 Rev.
User Guide for the Envoy Data Link Position Report Use the POSITION REPORT page to construct an ACARS POSITION REPORT downlink. This report is also available from the EN ROUTE menu and the ACARS Service Messages page. Figure 5-12 POSITION REPORT The fields on this report can be autopopulated from the FMC, but may be entered manually if no data is available from the FMC.
User Guide for the Envoy Data Link Diversion Report Figure 5-13 DIVERSION REPORT The fields on this report can be autopopulated from the FMC but may be entered manually if no data is available from the FMC or other ADC. This message uses 3-character IATA Airport codes.
User Guide for the Envoy Data Link Engine #1/#2 Data To send an engine report to AOC maintenance. Figure 5-14 ENGINE #1/#2 DATA 1/2 and 2/2 Table 5-12 ENGINE #1/#2 DATA 1/2 and 2/2 Fields LSK Label Page 1/2 L1 GROSS WGT L2 CAS L3 EPR(1) L4 FF(1) L5 N1 (1) R1 PRESS ALT R2 MACH R3 EPR(1) R4 FF(1) R5 N1 (2) R6 SAT Page 2/2 L1 N2 (1) L2 OIL P(1) L3 OIL T(1) L4 EGT(1) L5 BLEED AIR R1 N2 (2) R2 OIL P(2) R3 OIL T(2) R4 EGT(2) R5 AC PACK R6 SEND Document Number: UG-15000 Description Optional.
User Guide for the Envoy Data Link AIRCREW MISC This page is available from EN ROUTE and from SERVICE MSGS and sends an AOC message. This page accepts up to 208 characters (2 pages) of free text. Figure 5-15 AIRCREW MISC As a free text page, begin typing. To edit a line of text, press the respective LSK (L1 to L5) and delete or replace the content, as required. For additional guidance, see Section 3.5.7 ETA Revision Use this page to construct a downlink notification for a new destination and time.
User Guide for the Envoy Data Link ETA Report Figure 5-17 ETA REPORT Table 5-14 ETA REPORT Fields LSK L1 L2 L4 R1 R6 5.4.3 Label Description DEST STA FOB*100 FREE TEXT ETA SEND Required. ICAO ID for airport Optional. Estimated fuel on board. Autopopulated or manually input. Optional up to 24 characters Required. Zulu time for arrival at DEST STA When required data is provided, the message may be sent.
User Guide for the Envoy Data Link FLIGHT LOG LSK L1 in the POST FLIGHT MENU opens the read-only FLT LOG page of the MAINTENANCE menu tree, described in Section 6.1. The SEND FLT LOG action at LSK R5 is available only at OOOI IN status, ON GROUND. When sending the flight log report, only FLT LOG - CURRENT 1/4 is included in the downlink. ARRIVAL DELAY Use the ARRIVAL DELAY page to construct a downlink request informing ATC of a delay in arrival.
User Guide for the Envoy Data Link 5.4.4 ACARS MSG LOG The ACARS Message Log displays uplink and downlink messages and reports, including ATC message sequences, system-generated OOOI reports, and other predefined event-based reports in chronological order, most recent first. Figure 5-20 ACARS MSG LOG When a new UPLINK message arrives, the ACARS annunciator illuminates.
User Guide for the Envoy Data Link The message log or individual message can be printed on a cockpit printer, if installed. When a flight has completed, the ACARS MSG LOG is cleared ten minutes after the aircraft has been in the OOOI IN state. ACARS MSG REVIEW 1/2 ACARS MSG REVIEW pages provide a static view of a single uplink or downlink entry from the ACARS MSG LOG. An ACARS message can contain up to 30 pages of text.
User Guide for the Envoy Data Link R1 STATUS R6 PRINT 5.4.5 NEW: large white font Any other status: small green font Available on messages that have been READ or READBACK ACARS Service Messages Service messages are sent to the airline maintenance facility. Figure 5-22 SERVICE MESSAGES The SERVICE MESSAGES page is available only if ACARS is an enabled feature.
User Guide for the Envoy Data Link ENG#1/#2 DATA See detail description in Section 5.4.2.6. Figure 5-23 ENG#1/#2 DATA Weather Request See detailed description in Section 5.4.1.2 POSITION REPORT This SERVICE MSGS report is described in Section 5.4.2.3. ETA RPT The ETA REPORT is described in Section 5.4.2.9 ETA REV The ETA Revision request page is described in Section 5.4.2.8. DIVERSION RPT The Diversion Report is described in Section 5.4.2.5. AIRCREW MISC The Aircrew Misc.
User Guide for the Envoy Data Link 5.4.7 ACARS FLIGHT INIT LSK R6 in the ACARS menu opens the ACARS FLIGHT INIT page, described in the ACARS Pre Flight Menu, Section 5.4.1.1 Document Number: UG-15000 Rev.
User Guide for the Envoy Data Link 6 MAINTENANCE Menu The Maintenance pages present display-only data that can be downloaded or printed and/or reported to AOC. Some maintenance data is intended for AOC installers or maintenance to verify an installation; some content can only be viewed while ON GROUND. Figure 6-1 MAINTENANCE Menu Table 6-1 MAINTENANCE Menu Options LSK Label Section Description L1 L5 FLT LOG FAULTS 6.1 6.2 R1 SYS MON 6.3 R2 SYS TEST SYS CFG STA TABLE MAINT MODE 6.
User Guide for the Envoy Data Link Figure 6-2 FLIGHT LOG - CURRENT 1/4 The other 3 pages of the FLT LOG show the OOOI details for the 3 prior flights. Table 6-2 Envoy FLT Log Parameter FLIGHT ORIGIN DEST TAIL ID ICAO address FLT NUM TYPE TIME FOB Description The ICAO flight ID is autopopulated data from the Flight Management Computer (FMC). ICAO airport code for the departure location, autopopulated from the FMC. ICAO airport code for the arrival/destination, autopopulated from the FMC.
User Guide for the Envoy Data Link 6.1.1 OOOI Event States, Triggers, Messages OOOI (Out / Off / On / In) events provide a basic indication of the phase of a flight. The event triggers are configurable and established by the airline to provide information to an operational center as one or more downlink messages. Event INIT Out Off On In Reset Triggered when all of these descriptions are true Initialize - Envoy state at power-up, only used to determine current OOOI state. 1. Brakes are OFF 2.
User Guide for the Envoy Data Link 6.2 FAULT LOG To open the FAULT LOG, from the main menu press LSK L5 on the MAINT menu. The fault log lists up to 4 pages of faults for the current/latest flight. in order of first occurrence, newest first.
User Guide for the Envoy Data Link 6.2.1 Fault Description Fault description is a detailed view of the fault, including the FAULT ID, along with a count of detected occurrences in the current flight. During flight, the fault description can be printed or sent to AOC. The aircrew has the ability to clear the fault from their view of the fault log.
User Guide for the Envoy Data Link 6.3 SYSTEM MONITOR System monitor pages show read-only details about the configured discretes, VHF radio, and COMM status Label MONITOR 1/6 MONITOR 2/6 MONITOR 3/6 MONITOR 4/6, 5/6 MONITOR 6/6 6.3.1 Section 6.3.1 6.3.2 6.3.3 0 6.3.5 Description VHF Radio status OOOI, annunciators, alerts, COMM and MSG status A429 TX Status TX/RX Discretes ADS Contracts MONITOR (1/6) – COMM Status and Frequency MONITOR 1/6 shows details about the VHF and SAT COMM status.
User Guide for the Envoy Data Link 6.3.2 MONITOR 2/6 – OOOI, COMM, and Message Status This page displays read-only status of the discretes and annunciators associated with OOOI, COMM, and message status. Maintenance often uses this page to verify annunciators, chime, and any fail status for connected devices. The left side shows discrete inputs; the right side shows outputs. Note If new/unread messages exist, the CPDLC MSG and ACARS MSG are active and the annunciators for ATC and ACARS are lit.
User Guide for the Envoy Data Link • • • N/C means the TX discrete is not configured. OK means communication link to the configured device is active -- Means the Envoy has received no communication from the device Figure 6-7 SYSTEM MONITOR 3/6 Figure 6-8 MONITOR 3/6 – A429 TX Status LABEL TX1 TX3 TX5 TX7 TX2 TX4 TX6 TX8 6.3.
User Guide for the Envoy Data Link When on the ground, details such as label ID, label name and values being received from an I/O on SYS MON 4/6 and 5/6 can be viewed by selecting the adjacent LSK. A typical read out of an ARINC 429 label, in this case RX3, configured as the FMC General Output Bus (GOB), is detailed on two pages, as shown in Figure 6-10.
User Guide for the Envoy Data Link 6.3.5 MONITOR 6/6 – ADS Contracts When a FANS 1/A+ session is active, MONITOR 6/6 displays the active ADS-C contracts and provides access to the details for any contract, along with the ability to cancel a specific contract. The Envoy can manage up to 5 ATC facility ADS contracts. If an ADS-C contract is with an AOC facility, by default, the facility information displays at LSK L5.
User Guide for the Envoy Data Link Figure 6-12 ADS-C CENTER Contract Detail The terms and conditions of an ADS-C agreement are set by the aircraft’s configuration and may be further limited by the ATSU, which can specify what data is to be contained in the ADS-C report. The page title identifies the ATSG facility that has an active ADS contract.
User Guide for the Envoy Data Link 6.4 SYSTEM TEST SYSTEM TEST menu is available when on the ground at OOOI state IN. This menu provides test frames for annunciators, display, connectivity to other devices on the aircraft, such as printers. Figure 6-13 SYSTEM TEST 6.4.1 LINK TEST Use LINK TEST to test accessibility to ACARS or Aviation VHF Link Control (AVLC). Note If VHF Mode 2 is not available, AVLC TEST FRAME cannot be run.
User Guide for the Envoy Data Link 6.4.2 UTC SOURCE AND STATUS Identify source of current date and time, adjust time, or reset the Envoy time and date. The current time (Zulu) and date (Zulu) is selected by the Envoy IO subsystem from multiple sources. This page identifies the source. Figure 6-15 UTC SOURCE AND STATUS Perform the following actions from the UTC SOURCE AND STATUS page LSK R3 R4 R5 LABEL +1 SECOND -1 SECOND UTC REQUEST FUNCTION or DESCRIPTION Change current UTC time by 1 second per press.
User Guide for the Envoy Data Link Figure 6-16 SELF TEST AND STATUS ANNUNCIATOR TEST (common) Figure 6-17 ATC ANNUNCIATOR TEST Document Number: UG-15000 Rev.
User Guide for the Envoy Data Link 6.5 SYS CONFIG SYS CONFIG pages are a read-only summary of configuration details. Each page can be printed on an individual page basis: Label Section UNIT CONFIG 1/3 6.5.1 UNIT SOFTWARE 2/3 AIRCRAFT CONFIG 3/3 6.5.2 6.5.3 6.5.
User Guide for the Envoy Data Link 6.5.2 UNIT SOFTWARE 2/3 The UNIT SOFTWARE page displays the versions and CRCs for the currently loaded Envoy software. Figure 6-19 UNIT SOFTWARE 2/3 The CRCs and VERsion identifiers listed here are compared with stored credentials from the companion Personality Module whenever the system is rebooted.
User Guide for the Envoy Data Link 6.5.3 AIRCRAFT CONFIG 2/3 This page displays the registration ID for the aircraft and the system identifiers for the TSAP database. In the TSAP example below, the TSAP VER shows a MODED label, indicating that the factory-installed version has been modified as a result of adding one or more ATN ground station addresses in a redirect instruction during an ATN CPDLC session. Figure 6-20 AIRCRAFT CONFIG 3/3 Label Description AC REG Aircraft Registration (8 char max.
User Guide for the Envoy Data Link STA SQP Station identifier (6 numeric characters) Current and average SQP AIRPORT MD CHAR ICAO code for airport nearest the station -- 6.7 ICAO code for airport nearest the station Average SQP 3=Acceptable and 15 is the strongest. -Station MODE character MAINTENANCE MODE Access limited to authorized maintenance personnel and out of scope of this document. Figure 6-22 MAINTENANCE MODE Document Number: UG-15000 Rev.
User Guide for the Envoy Data Link Appendix A Acronyms Acronym/Term ACARS ACMMA ACMS ADC ADS ADS-C ADSF ADSG AFN AGNS ANSP AOC ARINC ATC ATN B1 ATM ATS ATSU CADS CBT CDA CDU CFDIU CMU CNS/ATM COMM CPDLC CRC CSC CSP D-ATIS DFDAU DLK DLIC DLS DM EASA EATMN ETD/EOBT FANS FDAMS FL Definition Aircraft Communications Addressing and Reporting System. A digital data link system for transmission of short and relatively simple messages between aircraft and ground stations using the airband VHF radio link.
User Guide for the Envoy Data Link Acronym/Term FMC FOB GOB GOLD IATA ICAO LSK MAS MCDU NAT HLA NDA NOTAM OOOI PBIT SATCOM SQP TSAP TWIP UDM UM UTC VDL VDR VFR VHF VMC Definition Flight Management Computer (or FMS, flight management system), a fundamental component of an airline’s avionics that automates a variety in-flight tasks, reducing the workload of the aircrew.
User Guide for the Envoy Data Link Appendix B AFN Messages To establish communication for ATS transactions, the ATS facility needs to discover the identity of the aircraft and the available ATS application(s) (ACARS, CPDLC, FANS, ATN, ADS). Similarly, an aircraft needs to acquire the ground address of the ATS facility.
User Guide for the Envoy Data Link Appendix C Supported CPDLC Messages The Envoy supports the CPDLC message elements detailed in the following sections: • • CPDLC Downlink Message Elements CPDLC Uplink Message Elements Where applicable, optional preformatted text may be combined to form a message with up to 5 elements. C.1 CPDLC Downlink Message Elements The FANS 1/A+ A/1 and ATN B1 CPDLC downlink messages in this appendix are supported by Envoy.
User Guide for the Envoy Data Link Section ID 12 13 14 3.5.1.3 15 3.5.1.2 18 20 3.5.9 21 3.5.1.3 22 3.5.7.2 23 24 3.5.7.1 25 26 3.5.1.3 27 28 3.5.2 29 30 3.5.
User Guide for the Envoy Data Link Section ID 32 3.5.2.1 (ATN) 3.5.4 33 34 35 3.5.4 36 3.5.2.3 37 38 39 40 41 42 3.4.3 43 44 45 46 47 3.5.4 48 49 51 3.5.
User Guide for the Envoy Data Link Section ID 57 0 58 CPDLC DM/Example Message Intent [remainingFuel] of FUEL REMAINING AND [remainingSouls] SOULS ON BOARD HH:MM of FUEL REMAINING AND 999 SOULS ON BOARD CANCEL EMERGENCY 59 DIVERTING TO [position] VIA [routeClearance] DIVERTING TO EBBU VIA XYZ 60 OFFSETTING [distanceOffset] [direction] AT [time or waypoint] 3.5.
User Guide for the Envoy Data Link Section ID CPDLC DM/Example Message Intent ‘WE CANNOT ACCEPT [speed]’ ‘[traffic identification] SIGHTED AND PASSED’ ‘[traffic identification] NOT SIGHTED’ Indication that the specified speed cannot be accepted. Report indicating visual sighting of traffic. Report indicating no visual sighting of traffic. Report indicating visual sighting of traffic. Notification from the intermediary aircraft of the specified response from the specified aircraft.
User Guide for the Envoy Data Link Section ID 81 82 83 3.4.3 and 3.5.3 84 85 86 87 3.5.3 88 3.5.
User Guide for the Envoy Data Link Section 3.5.2.1 -- Response to an ADVISE TOP OF DESCENT segment of an uplink ID 106 CPDLC DM/Example Message Intent PREFERRED LEVEL [level] PREFERRED LEVEL 25000FT 107 NOT AUTHORIZED NEXT DATA AUTHORITY 109 TOP OF DESCENT [time] TOP OF DESCENT 1237 110 TOP OF DESCENT [position] TOP OF DESCENT XYZ 111 TOP OF DESCENT [time] [position] TOP OF DESCENT 1200 XYZ PANS/GOLD Notification of the preferred level.
User Guide for the Envoy Data Link C.2 CPDLC Uplink Message Elements The following FANS 1/A+ A/1 and ATN B1 CPDLC uplink messages are supported by Envoy. The CPDLC UM/Example coluumn shows the elements expected in an uplink.
User Guide for the Envoy Data Link ID CPDLC UM/Example Use/Intent 16 AT [pos] EXPECT DESCENT TO [level] AT XYZ EXPECT DESCENT TO 25000FT AT [time] EXPECT CRUISE CLIMB TO [level] AT 1232 EXPECT CRUISE CLIMB TO 25000FT AT [position] EXPECT CRUISE CLIMB TO [level] AT XYZ EXPECT CRUISE CLIMB TO 25000FT MAINTAIN [level] MAINTAIN 25000FT CLIMB TO (AND MAINTAIN) [level] CLIMB TO 25000FT Notification that an instruction should be expected for the aircraft to commence descent at the specified position to the s
User Guide for the Envoy Data Link ID CPDLC UM/Example 32 DESCEND TO AND MAINTAIN BLOCK [level] TO [level] DESCEND TO AND MAINTAIN BLOCK 25000FT TO 20000FT CRUISE [level] CRUISE CLIMB TO [level] CRUISE CLIMB TO 25000FT CRUISE CLIMB ABOVE [level] CRUISE CLIMB ABOVE 25000FT EXPEDITE CLIMB TO [level] EXPEDITE CLIMB TO 25000FT EXPEDITE DESCENT TO [level] EXPEDITE DESCENT TO 25000FT IMMEDIATELY CLIMB TO [level] IMMEDIATELY CLIMB TO 25000FT ASSIGNED ROUTE[routeClearance] IMMEDIATELY DESCEND TO [level] IMMEDIA
User Guide for the Envoy Data Link ID CPDLC UM/Example 50 CROSS [position] BETWEEN [level] AND [level] CROSS XYZ BETWEEN 20000FT AND 25000FT CROSS [position] AT [time] CROSS XYZ AT 1232 CROSS [position] AT OR BEFORE [time] -CROSS XYZ AT OR BEFORE 1232 CROSS [position] AT OR AFTER [time] CROSS XYZ AT OR AFTER 1232 CROSS [position] BETWEEN [time] AND [time] CROSS XYZ BETWEEN 1230 AND 1250 CROSS [position] AT [speed] CROSS XYZ AT 200KTS 51 52 53 54 55 56 57 58 59 60 61 62 63 64 CROSS [positio
User Guide for the Envoy Data Link ID CPDLC UM/Example Use/Intent 65 AT [position] OFFSET [specifiedDistance] [direction] OF ROUTE AT XYZ OFFSET 200KM LEFT OF ROUTE AT [time] OFFSET [specifiedDistance] [direction] OF ROUTE AT 1232 OFFSET 200KM LEFT OF ROUTE PROCEED BACK ON ROUTE Instruction to fly a parallel track to the cleared route at a displacement of the specified distance in the specified direction and commencing at the specified position.
User Guide for the Envoy Data Link ID 81 82 CPDLC UM/Example CLEARED [procedureName] CLEARED ARRIVAL, XYZ.ABC CLEARED TO DEVIATE UP TO [specifiedDistance] [direction] OF ROUTE CLEARED TO DEVIATE UP TO 200KM LEFT OF ROUTE Document Number: UG-15000 Use/Intent DO-258A Instruction to proceed in accordance with the specified procedure. Approval to deviate up to the specified distance from the cleared route in the specified direction. Rev.
84 AT [position] CLEARED [procedureName] AT XYZ CLEARED ARRIVAL, User Guide for the Envoy Data Link XYZ.
User Guide for the Envoy Data Link 169 (1) ‘[freeText]’ 169 (2) ‘EXPECT [clearanceName]’ Document Number: UG-15000 Instruction to proceed via specified departure clearance’ and may be combined with UM 158 ATIS and/or UM123 and UM19 MAINTAIN. Used for an unpublished clearance/procedure name, otherwise use UM99 for a published procedure. Rev.
169 (4) 169 (5) ‘REPORT CLEAR OF WEATHER’ ‘STOP CLIMB AT [altitude]’ User Guide for the Envoy Data Link 169 (6) ‘STOP DESCENT AT [altitude]’ 169 (7) ‘EXPECT [level single] [number of minutes] AFTER DEPARTURE’ 169 (8) ‘ADVISE PREFERRED LEVEL’ 169 (9) ‘ADVISE TOP OF DESCENT’ 169 (10) ‘NO SPEED RESTRICTION’ 169 (11) ‘REPORT GROUND SPEED’ 169 (12) ‘[facilityID] ALTIMETER [altimeter setting]’ 169 (13) ‘SURVEILLANCE SERVICE TERMINATED’ 169 (14) ‘REQUEST AGAIN WITH NEXT ATC UNIT’ ‘TRAFFIC IS [t
User Guide for the Envoy Data Link 228 Report ETA [position] Report ETA XYZ 229 Report Alternate Aerodrome 230 IMMEDIATELY 231 STATE PREFERRED LEVEL 232 STATE TOP OF DESCENT 233 USE OF LOGICAL ACKNOWLEDGMENT PROHIBITED 234 FLIGHT PLAN NOT HELD 236 LEAVE CONTROLLED AIRSPACE REQUEST AGAIN WITH NEXT UNIT 237 Document Number: UG-15000 Instruction to report the estimated time of arrival at the specified position. Instruction to report the preferred alternate aerodrome for landing.
User Guide for the Envoy Data Link Appendix D ADS-C Tags D.
User Guide for the Envoy Data Link Appendix E ACARS Message Labels Some of ACARS messages are automatically generated and not visible; some are implemented in ACARS or MAINTENANCE menu pages, and others are custom configuration options. This appendix identifies downlink, OOOI, and uplink message labels. E.1 ACARS Downlink Message Labels Label 00 52 54 57 58 5R 5U 5Y 5Z 7A 7B B1 B2 B3 B4 B8 B9 BB BC BD H1 Q0 Q1 Q1 Q1 Q2 Q7 Q7 QK QL QM QN E.1.
User Guide for the Envoy Data Link OOOI Event Label OFF Report QB ON Report QC IN Fuel/Destination Report QD OUT Fuel Report QE OFF Destination Report QF OUT Return IN Report QG OUT Report QH OUT Fuel Report QP OFF Report QQ ON Report QR IN Fuel/Destination Report QS OUT Return IN Report QT Format/Fields in Message/Report Flight Number, Departure Station (IATA Airport Code), Off Time, Customer-defined text.
User Guide for the Envoy Data Link Appendix F ATSU Call Signs (ICAO, IATA) F.
User Guide for the Envoy Data Link Flight Information Region (ATSU Call Sign) AFN ICAO Maastricht EDYY Madagascar (Antananarivo) Malaysia (Kota Kinabalu) Malaysia (Kuala Lumpur) Mauritius Mexico, Mexico City Mongolia (Ulan Bataar) Myanmar (Yangon) New Zealand (Auckland) Nigeria (Niamey) Norway (Bodo) Philippines (Manila) Portugal Portugal (Santa Maria) Russia (Murmansk oceanic) Russia Far East (Magadan) Saudi Arabia (Riyadh) Senegal (Dakar) Seychelles Singapore South Africa (Capetown) South Africa (Joh
User Guide for the Envoy Data Link F.
User Guide for the Envoy Data Link City/Airport Al Hoceima Alicante Alice Springs Alldays Allentown (PA) Almaty (Alma Ata) - Almaty International Airport Almeria Alta Altay Altenrhein Altoona (PA) Altus Amami Amarillo (TX) Amazon Bay Amman - Queen Alia International Airport Amman - Amman-Marka International Airport Amritsar Amsterdam - Amsterdam Airport Schiphol Anand Anchorage (AK) - Ted Stevens Anchorage International Ancona - Ancona Falconara Airport Andorra La Vella - Heliport Anguilla Anjouan - Anjoua
User Guide for the Envoy Data Link City/Airport Ashgabat - Saparmurat Turkmenbashy Int.
User Guide for the Envoy Data Link City/Airport Bangassou Bangkok, Don Muang Bangkok, Suvarnabhumi International Bangor (ME) Bangui - M'Poko International Airport Banjul - Banjul International Airport (Yundum International) Bannu Barcelona Barcelona Bardufoss Bari Barisal Baroda Barra (the famous tidal beach landing) Barranquilla Basel Basel/Mulhouse Basra, Basrah Basse-Terre - Pointe-à-Pitre International Airport Basseterre - Robert L.
User Guide for the Envoy Data Link City/Airport Bergamo/Milan - Orio Al Serio Bergen Bergerac - Roumanieres Berlin Berlin, Schoenefeld Berlin, Tegel Berlin, Tempelhof (ceased operating in 2008) Bermuda - L.F.
User Guide for the Envoy Data Link City/Airport Bouake Bourgas/Burgas Bournemouth Bowen Bozeman (MT) Bradford/Warren (PA) /Olean (NY) Brainerd (MN) Brampton Island Brasilia - President Juscelino Kubitschek International Bratislava - M. R.
User Guide for the Envoy Data Link City/Airport Calcutta (Kolkata) - Netaji Subhas Chandra Calgary - Calgary International Airport Cali Calicut Calvi Cambridge Bay Cambrigde Campbeltown Campo Grande Canberra - Canberra Airport Cancun Cannes – Mandelieu Airport Canouan (island) - Canouan Airport Cape Town - Cape Town International Airport Caracas - Simón Bolívar International Airport Cardiff - Cardiff Airport Carlsbad (CA) Carnarvon Carnot Carson City (NV) Casablanca Casablanca, Mohamed V Casa de Campo - La
User Guide for the Envoy Data Link City/Airport Charlotte (NC) Charlottesville (VA) Charters Towers Chattanooga (TN) Chengdu - Shuangliu Chennai (Madras) Cheyenne (WY) - Cheyenne Regional Airport Chiang Mai - Chiang Mai International Airport Chiba City Chicago (IL), Midway Chicago (IL), O'Hare International Airport Chicago (IL) Chichen Itza Chico (CA) Chihuahua - Gen Fierro Villalobos Chios Chipata Chisinau - Chişinău International Airport Chita (Tschita) Sapporo - New Chitose Airport Chitral Chittagong Ch
User Guide for the Envoy Data Link City/Airport Colombo - Bandaranaike International Airport Colorado Springs (CO) Columbia (SC) - Columbia Metropolitan Airport Columbus (GA) Columbus (OH) - Port Columbus International Conakry - Conakry International Airport Concord (CA) - Buchanan Field Concord (NH) - Concord Municipal Airport Constantine Constanta (Constanța) - Constanta Int'l Airport Coober Pedy Cooktown Cooma Copenhagen - Copenhagen Airport Cordoba Cordoba Cordova (AK) Corfu Cork Corpus Christi (TX) Co
User Guide for the Envoy Data Link City/Airport Daydream Island Dayton (OH) Daytona Beach (FL) Decatur (IL) Deer Lake/Corner Brook Delhi - Indira Gandhi International Airport Den Haag (The Hague) Denizli Denpasar/Bali Denver (CO) - Denver International Airport Dera Ismail Khan - Dera Ismail Khan Airport Derby Derry (Londonderry) Des Moines (IA) - Des Moines International Airport Detroit (MI) , Coleman A.
User Guide for the Envoy Data Link City/Airport Durban Dushanbe (Duschanbe) - Dushanbe Airport Dutch Harbor (AK) Dysart Dzaoudzi East London Easter Island Eau Clarie (WI) Edinburgh - Edinburgh Airport Edmonton Edmonton, International Edmonton, Municipal Egilsstadir Eindhoven Samana - Samaná El Catey International Airport Elba Island, Marina Di Campo Elat Elat, Ovula Elkhart (IN) Elko (NV) Ellisras El Minya Elmira (NY) El Paso (TX) - El Paso International Airport Ely (NV) Emerald Emerald Enontekioe Entebbe
User Guide for the Envoy Data Link City/Airport Fes Figari Flagstaff (AZ) Flin Flon Flint (MI) Florence (Firenze) - Peretola Airport Florence (SC) Florianopolis Floro Fort Albert Fortaleza - Pinto Martins Airport Fort de France - Martinique Aimé Césaire International Fort Dodge IA Fort Huachuca/Sierra Vista (AZ) Fort Lauderdale/Hollywood (FL) Fort McMurray Fort Myers, Metropolitan Area (FL) Fort Myers, Southwest Florida Reg (FL) Fort Riley (KS) - Marshall AAF Fort Smith Fort Smith (AR) Fort St.
User Guide for the Envoy Data Link City/Airport Gaza City - Gaza International Airport Gaziantep Gdansk Geelong Geneva - Geneva-Cointrin International Airport Genoa George Georgetown - Cheddi Jagan International Airport Geraldton Gerona Ghent (Gent) Gibraltar Gilette (WY) Gilgit Gillam Gladstone Glasgow, Prestwick Glasgow Glasgow (MT) Glendive (MT) Goa Goiania, Santa Genoveva Airport Gold Coast Goondiwindi Goose Bay Gorna Gothenburg (Göteborg) - Landvetter Gove (Nhulunbuy) Govenors Harbour Granada Grand Ba
User Guide for the Envoy Data Link City/Airport Groton/New London (CT) Guadalajara Guadalcanal Guam Guangzhou (Canton) - Baiyun International Airport Sao Paulo - Guarulhos International Guatemala City - La Aurora International Airport Guayaquil - Simon Bolivar Guernsey Guettin Gulfport/Biloxi (MS) Guilin - Liangjiang Gulu Gunnison/Crested Butte (CO) Guwahati Gwadar Gweru Gympie Hachijo Jima Hagåtña - Guam International Airport Haifa Haines (AK) Hakodate Halifax International Hall Beach Hamburg - Fuhlsbuett
User Guide for the Envoy Data Link City/Airport Hervey Bay Hibbing (MN) Hickory (NC) Hilo (HI) Hilton Head Island (SC) Hinchinbrook Island Hiroshima International Ho Chi Minh City (Saigon) - Tan Son Nhat International Hobart Hof Holguin Home Hill Homer (AK) Hong Kong - International Airport (HKIA) Hong Kong - Chek Lap Kok Honiara Henderson International Honolulu (HI) - Honolulu International Airport Hoonah (AK) Horta Houston (TX) , Hobby Houston, TX - George Bush Intercontinental Airport Huahine Huatulco H
User Guide for the Envoy Data Link City/Airport Inverness Inykern (CA) Iqaluit (Frobisher Bay) Iquitos Irkutsk Ishigaki - New Ishigaki Airport Islamabad - Benazir Bhutto International Airport Islay Isle of Man Istanbul - Istanbul Atatürk Airport Istanbul - Sabiha Gokcen Ithaca/Cortland (NY) Ivalo Ixtapa/Zihuatenejo Izmir Izmir - Adnan Menderes Airport Jackson Hole (WY) Jackson (MI) - Reynolds Municipal Jackson, MN Jackson (MS) - Jackson Internationall Jackson (MS) - Hawkins Field Jackson (TN) - Mckellar Ja
User Guide for the Envoy Data Link City/Airport Jammu - Satwari Jamnagar - Govardhanpur Jamshedpur - Sonari Airport Janakpur Jandakot Janesville (WI) - Rock County Januaria Jaque Jatai Jauja Jayapura - Sentani Jeddah - King Abdulaziz International Jefferson City (MO) - Jefferson Memorial Jeremie - Jeremie Airport Jerez de la Frontera/Cadiz - La Parra Jersey Jerusalem - Atarot Airport (closed) Jessore - Jessore Airport Jeypore - Jeypore Airport Ji'an Jiamusi - Jiamusi Airport Jiayuguan - Jiayuguan Airport J
User Guide for the Envoy Data Link City/Airport Jolo Jomsom Jonesboro (AR) Jonesboro Airport Joplin (MO) Jorhat - Rowriah Airport Jos Jose De San Martin Jouf Juanjui Juba Juist (island) Juiz De Fora - Francisco De Assis Airport Jujuy - El Cadillal Airport Julia Creek Juliaca Jumla Jundah Juneau (AK) - Juneau International Airport Junin Juticalpa Jwaneng Jyväskylä (Jyvaskyla) Kabul - Khwaja Rawash Airport Kagoshima Kahramanmaras Kahului (HI) Kajaani Kalamata Kalamazoo/Battle Creek (MI) Kalgoorlie Kaliningra
User Guide for the Envoy Data Link City/Airport Katima Mulilo/Mpacha Kauhajoki Kaunakakai (HI) Kavalla Kayseri Kazan - Kazan International Airport Keetmanshoop Kelowna, BC Kemi/Tornio Kenai (AK) Kent (Manston) Kent International Kerry County Ketchikan (AK) Key West (FL) Khamis Mushayat Kharga - New Valley Kharkov Khartoum - Khartoum International Airport Khuzdar Kiel - Holtenau Kiev - Borispol Kiev - Zhulhany Kigali - Gregoire Kayibanda Kilimadjaro Killeem (TX) Kimberley King Island King Salomon (AK) Kings
User Guide for the Envoy Data Link City/Airport Kolkata (Calcutta) - Netaji Subhas Chandra Komatsu Kona (HI) Konya Korhogo Kos Kota Kinabalu Kotzbue (AK) Kowanyama Krakow (Cracow) - John Paul II International Airport Kristiansand Kristianstad Kristiansund Kuala Lumpur - International Airport Kuala Lumpur - Sultan Abdul Aziz Shah Kuantan Kuching Kumamoto Kununurra Kuopio Kushiro Kuujjuaq (FortChimo) Kuujjuarapik Kuusamo Kuwait - Kuwait International Kyoto Labe Labouchere Bay (AK) Labuan Lac Brochet, MB La C
User Guide for the Envoy Data Link City/Airport Lansing (MI) La Paz - El Alto La Paz - Leon Lappeenranta Laramie (WY) Laredo (TX) Larnaca Las Palmas Las Vegas (NV) Latrobe (PA) Launceston Laurel/Hattisburg (MS) Laverton Lawton (OK) Lazaro Cardenas Leaf Rapids Learmouth (Exmouth) Lebanon (NH) Leeds/Bradford Leinster Leipzig Lelystad Leon Leonora Lerwick/Tingwall (Shetland Islands) Lewiston (ID) Lewistown (MT) Lexington (KY) Libreville Lidkoeping Liege Lifou Lihue (HI) Lille - Lille Airport Lilongwe - Lilong
User Guide for the Envoy Data Link City/Airport London - Luton London - Stansted Londonderry - Eglinton Long Beach (CA) Long Island (AK) Long Island, Islip (NY) - Mac Arthur Longreach Longview/Kilgore (TX) Longyearbyen - Svalbard Loreto Lorient Los Angeles (CA) - International Los Cabos Los Mochis Los Rodeos Losinj - Losinj Arpt Lourdes/Tarbes Louisville (KY) Luanda - 4 de Fevereiro Lubbock (TX) Lucknow Luederitz Luga Lugano Lulea Lumbumbashi Lusaka - Lusaka International Airport Lusisiki Luxembourg Luxi -
User Guide for the Envoy Data Link City/Airport Makung Malabo - Malabo International Airport Malaga Malatya Male - Velana International Airport Malindi Malmo (Malmoe) Malmo (Malmö) - Malmö Airport Man Managua - Augusto C Sandino Manaus - Eduardo Gomes International Airport Manchester Manchester (NH) Mandalay - Mandalay-Annisaton Airport Manguna Manihi Manila - Ninoy Aquino International Manzanillo Manzini - Matsapha International Maputo - Maputo International Mar del Plata Maracaibo - La Chinita Internatio
User Guide for the Envoy Data Link City/Airport Mazatlan McAllen (TX) Medan - Polania Int'l (now Soewondo AFB) Medan - Kualanamu International Medellin - José María Córdova International Medford (OR) Medina Meekatharra Melbourne - Melbourne Airport (Tullamarine) Melbourne (FL) Melville Hall Memphis (TN) Mendoza Manado Merced (CA) Merida Meridian (MS) Merimbula Messina Metlakatla (AK) Metz - Frescaty Metz/Nancy Metz-Nancy-Lorraine Mexicali Mexico City - Mexico City International Airport Mexico City - Atizap
User Guide for the Envoy Data Link City/Airport Miyako Jima (Ryuku Islands) - Hirara Miyazaki Mkambati Moanda Mobile (AL) - Pascagoula (MS) Modesto (CA) Moenjodaro Mogadishu Mokuti Moline/Quad Cities (IL) Mombasa - Moi International Monastir Moncton Monroe (LA) Monrovia - Metropolitan Area Monrovia - Roberts International Montego Bay - Sangster International Montenegro Monterey (CA) Monterrey - Gen.
User Guide for the Envoy Data Link City/Airport Muenchen (Munich) - Franz Josef Strauss Muenster/Osnabrueck Mulhouse Multan Murcia Murmansk Mus Muscat - Seeb Muscle Shoals (AL) Muskegon (MI) Muzaffarabad Mvengue Mykonos Myrtle Beach (SC) - Myrtle Beach AFB Myrtle Beach (SC) - Grand Strand Airport Mysore Mytilene (Lesbos) Mzamba Nadi Nagasaki Nagoya - Komaki AFB Nagpur Nairobi Nakhichevan Nakhon Si Thammarat Nancy Nanisivik Nanning Nantes - Nantes Atlantique Airport Nantucket (MA) Naples - Naples Capodichin
User Guide for the Envoy Data Link City/Airport New Valley - Kharga New York - John F.
User Guide for the Envoy Data Link City/Airport Ondangwa Ontario (CA) Oran (Ouahran) Orange Orange County (Santa Ana) (CA) Oranjemund Oranjestad - Reina Beatrix International Orkney - Kirkwall Orlando Metropolitan Area (FL) Orlando - International Airport (FL) Orpheus Island Osaka, Metropolitan Area Osaka - Itami Osaka - Kansai International Airport Oshkosh (WI) Osijek Oslo - Oslo Airport, Gardermoen Oslo - Fornebu Oslo - Sandefjord Ottawa - Hull Ouadda Ouarzazate Oudtshoorn Ouagadougou Oujda Oulu Out Sker
User Guide for the Envoy Data Link City/Airport Paris - Orly Paro Pasco (WA) Pasni Patna Pattaya Pau Pellston (MI) Penang International Pendelton (OR) Pensacola (FL) Peoria/Bloomington (IL) Pereira Perpignan Perth International Perugia Pescara Peshawar Petersburg (AK) Phalaborwa Philadelphia (PA) - International Phnom Penh - Pochentong Phoenix (AZ) - Sky Harbor International Phuket Pierre (SD) Pietermaritzburg Pietersburg Pilanesberg/Sun City Pisa - Galileo Galilei Pittsburgh International Airport (PA) Pla
User Guide for the Envoy Data Link City/Airport Port Moresby - Jackson Field Porto Porto Alegre - Salgado Filho International Airport Port of Spain - Piarco International Port Said Porto Santo Porto Velho Port Vila Poughkeepsie (NY) Poznan, Lawica Prague - Václav Havel Airport (formerly Ruzyne) Praia - Nelson Mandela International Airport Presque Island (ME) Pretoria - Wonderboom Apt.
User Guide for the Envoy Data Link City/Airport Rajkot Raleigh/Durham (NC) Ranchi Rangiroa Rangoon (Yangon) - Mingaladon Rapid City (SD) Rarotonga Ras al Khaymah (Ras al Khaimah) Rawala Kot Rawalpindi Reading (PA) Recife - Guararapes-Gilberto Freyre International Redding (CA) Redmond (OR) Reggio Calabria Regina Reina Sofia Rennes Reno (NV) Resolute Bay Reus Reykjavik - Metropolitan Area Reykjavik - Keflavik International Rhinelander (WI) Rhodos Richards Bay Richmond (VA) Riga Rijeka Rimini Rio Branco - Plá
User Guide for the Envoy Data Link City/Airport Rosario Rostov-on-Don - Rostov-on-Don Airport Rostov-on-Don - Platov International Airport Rotorua Rotterdam Rovaniemi Rundu Ruse Saarbruecken Sacramento (CA) Sado Shima Saginaw/Bay City/Midland (MI) Saidu Sharif Saigon (Ho Chi Minh City) - Tan Son Nhat International Saint Brieuc Saint Denis - Roland Garros Airport Saint John Saipan Sal Salalah Salem (OR) Salinas (CA) Salinas Salisbury Salisbury (MD) Saloniki Salta, Gen Belgrano Salt Lake City (UT) Salvador -
User Guide for the Envoy Data Link City/Airport San Pedro Sula San Salvador San Salvador San Sebastian Sanaa (Sana'a) - Sana'a International Sandspit Santa Ana - John Wayne Airport (CA) Santa Barbara (CA) Santa Cruz de la Palma Santa Cruz de la Sierra Santa Katarina - Mount Sinai Santa Maria Santa Maria (CA) Santander Santa Rosa (CA) Santa Rosa Santa Rosa Santa Rosa Santa Rosa, Copan Santa Rosalia Santa Rosalia Santiago - Antonio Maceo Airport Santiago de Chile - Arturo Merino Benitez Santiago de Compostel
User Guide for the Envoy Data Link City/Airport Seoul - Kimpo Sevilla Sfax Shamattawa, MB Shanghai - Hongqiao Shanghai - Pu Dong Shannon (Limerick) Sharjah Sharm El Sheikh Sheffield, City Airport Sheffield, Doncaster, Robin Hood International Airport Shenandoah Valley/Stauton (VA) Shenyang Shenzhen - Shenzhen Bao'an International Sheridan (WY) Shreveport, La Shute Harbour Sibu Sidney (MT) Silistra Simferopol Sindhri Singapore - Changi Singapore - Paya Lebar Singapore - Seletar Singleton Sioux City IA Sioux
User Guide for the Envoy Data Link City/Airport Springfield (IL) Springfield (MO) Srinagar St. Augustin, PQ St. Croix St. Etienne St. George (UT) St. John's St. Kitts St. Louis (MO) Lambert–St. Louis International Airport St. Lucia Hewanorra St. Lucia Vigle St. Marteen St. Martin St. Petersburg (Leningrad) - Pulkovo St. Pierre, NF St. Thomas St.
User Guide for the Envoy Data Link City/Airport Tampa - International (FL) Tampere Tampico - Gen. F.
User Guide for the Envoy Data Link City/Airport Toronto - Toronto Pearson International Airport Toronto Tortola Touho Toulouse - Blagnac Airport Townsville Toyama Trabzon Trapani Traverse City (MI) Treasure Cay Trenton/Princeton (NJ) Treviso Tri-Cities Regional (TN) /VA Trieste Tripoli - Tripoli International Tromsoe Trondheim Tsumeb Tucson (AZ) Tulepo (MS) Tulsa (OK) Tunis - Carthage Turbat Turin Turku Tuscaloosa (AL) Tuxtla Gutierrez Twin Falls (ID) Tyler (TX) Ua Huka Ua Pou Ube Uberaba Uberlandia - Edua
User Guide for the Envoy Data Link City/Airport Umtata Unalakleet (AK) Union Island Unst (Shetland Island) - Baltasound Airport Upala Upernavik - Upernavik Heliport Upington Upolu Point (HI) Uranium City Urgench Uriman Urmiehm (Orumieh) Uruapan Urubupunga - Ernesto Pochler Airport Uruguaiana - Ruben Berta Airport Urumqi Uruzgan Ushuaia - Islas Malvinas Airport Utapao (Pattaya) Utica (NY) - Oneida County Airport Utila Uummannaq Uzhgorod V Vaasa Vaexjoe Vail (CO) Val d'Or Valdez (AK) Valdosta (GA) Valencia V
User Guide for the Envoy Data Link City/Airport Vientiane - Wattay Vigo Villahermosa Vilnius Virgin Gorda Visalia (CA) Visby Vitoria Vitoria - Eurico de Aguiar Salles Airport Vryheid Wabush Waco (TX) Wagga Walla Walla (WA) Wallis Walvis Bay Warrnambool Warsaw - Frédéric Chopin Washington DC - Baltimore Washington International Washington DC - Dulles International Washington DC - Ronald Reagan National Washington DC Waterloo IA Watertown (SD) Wausau/Stevens Point (WI) Weipa Welkom Wellington Wenatchee (WA)
User Guide for the Envoy Data Link City/Airport Windhoek - Hosea Kutako International Windsor Ontario Winnipeg International Wolf Point (MT) Wollongong Woomera Worcester (MA) Worland (WY) Wrangell (AK) Wuhan Wyndham Xiamen Xi'an - Xianyang Yakima (WA) Yakutat (AK) Yakutsk Yamagata, Junmachi Yamoussoukro Yanbu Yangon (Rangoon) - Mingaladon Yaounde Yellowknife Yekaterinburg - Koltsovo Airport Yichang Yokohama Yuma (AZ) Zacatecas Zadar Zagreb - Zagreb Airport Pleso Zakynthos Zaragoza Zhob Zinder Zouerate Zuri
User Guide for the Envoy Data Link Appendix G Fault Management In the table below: • • • • Sev (Severity) is mitigated by availability of an alternative media source. For messages with 2 severity values, the first is for a single COMM source configuration, second if additional media source(s) is available; for example, if VDL and SATCOM are available and VDL fails, then the Envoy can communicate over SATCOM. For items marked with an * (asterisk), if a configuration is loaded, severity is reduced to 2.
User Guide for the Envoy Data Link ID 193 194 Name PM User Configuration CRC Mismatch DUKB to SAM Inter-Board Communications Failure Document Number: UG-15000 Description Sev Type I/R User Configuration CRC calculation error 1 Internal 1/0 No inter-board communications 1 Internal 5/5 Rev.
