User's Guide
Table Of Contents
- 1 Introduction
- 1.1 Audience
- 1.2 Overview
- 1.3 Envoy CMU Features
- 1.4 Configuration Options for Envoy
- 2 Operation of Envoy
- 3 CPDLC Operations
- 3.1 Log On
- 3.2 Logoff
- 3.3 Lost Connection
- 3.4 Typical Message Composition
- 3.5 ATC Menu
- 3.5.1 ATC Request Menu – FANS 1/A+ and ATN B1 CPDLC Common
- 3.5.2 ATC REPORT Menu
- 3.5.3 WHEN CAN WE EXPECT
- 3.5.4 POS REPORT Message – FANS 1/A+
- 3.5.5 EMERGENCY (MAYDAY) Message – FANS 1/A+
- 3.5.6 ATC MSG LOG
- 3.5.7 CLEARANCE REQUESTS – FANS 1/A+
- 3.5.8 FREE TEXT 1/2
- 3.5.9 ATC VOICE CONTACT Message – FANS 1/A+
- 3.5.10 Cancel EMERGENCY, Cancel ADS
- 3.5.11 Flight Plan Transactions and Monitoring
- 4 Automatic Dependent Surveillance (ADS)
- 5 ACARS Operations
- 6 MAINTENANCE Menu
- Appendix A Acronyms
- Appendix B AFN Messages
- Appendix C Supported CPDLC Messages
- Appendix D ADS-C Tags
- Appendix E ACARS Message Labels
- Appendix F ATSU Call Signs (ICAO, IATA)
- Appendix G Fault Management
User Guide for the Envoy Data Link
Document Number: UG-15000 Rev. A Page 112 of 173
Section
ID
CPDLC DM/Example
Message Intent
PANS/GOLD
3.5.2.1 (ATN)
3.5.4
32
PRESENT LEVEL [level]
PRESENT LEVEL 23000FT
Notification of the present level.
33
PRESENT POSITION [position]
PRESENT POSITION XYZ
Notification of the present position.
34
PRESENT SPEED [speed]
PRESENT SPEED 200KTS
Notification of the present speed.
35
PRESENT HEADING [degrees]
PRESENT HEADING 150T
Notification of the present heading
in degrees.
3.5.4 36
PRESENT GROUND TRACK
[degrees]
PRESENT GROUND TRACK
165
Notification of the present ground
track in degrees.
3.5.2.3 37
MAINTAINING [level]
MAINTAINING 23000FT
Notification that the aircraft is
maintaining the specified level.
3.4.3
38
ASSIGNED LEVEL [level]
ASSIGNED LEVEL 23000FT
Readback of the assigned level.
39
ASSIGNED SPEED [speed]
ASSIGNED SPEED 200KTS
Readback of the assigned speed.
40
ASSIGNED
ROUTE[routeclearance]
41
BACK ON ROUTE
BACK ON ROUTE
The aircraft has regained the
cleared route.
42
NEXT WAYPOINT [position]
NEXT WAYPOINT DAR
The next waypoint is the specified
position.
43
NEXT WAYPOINT ETA [time]
NEXT WAYPOINT ETA 1124
The ETA at the next waypoint is as
specified.
44
ENSUING WAYPOINT
[position]
ENSUING WAYPOINT DAR
The next but one waypoint is the
specified position.
45
REPORTED WAYPOINT
[position]
REPORTED WAYPOINT DAR
Clarification of previously reported
waypoint passage.
46
REPORTED WAYPOINT [time]
REPORTED WAYPOINT 1124
Clarification of time over previously
reported waypoint.
47
SQUAWKING [code]
SQUAWKING 2130
The specified SSR code has been
selected.
3.5.4 48
POSITION REPORT
[positionReport]
POSITION REPORT XYZ
Position report.
3.5.3
49
WHEN CAN WE EXPECT
[speed]
WHEN CAN WE EXPECT
200KTS
Request for the earliest time at
which a clearance to the specified
speed can be expected.
4.6-25
Negotiation
Requests
51
WHEN CAN WE EXPECT
BACK ON ROUTE
WHEN CAN WE EXPECT
BACK ON ROUTE
Request for the earliest time at
which a clearance to regain the
planned route can be expected.
52
WHEN CAN WE EXPECT
LOWER LEVEL
Request for the earliest time at
which a clearance to descend can
be expected.
53
WHEN CAN WE EXPECT
HIGHER LEVEL
Request for the earliest time at
which a clearance to climb can be
expected.
3.5.5
55 PAN PAN PAN
Non-life-threatening emergency.
High level urgency.
4.6-26
Emergency
Messages
56 MAYDAY MAYDAY MAYDAY
Life threatening emergency. High
level urgency.