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 46 of 173
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).
Table 3-11 FANS Response to Multi-Element UM with REPORT LEAVING
Aircrew has the option to set the report to MANUAL before pressing LSK R5 (WILCO).
Figure 3-13 ATC Menu (left) and FANS Menu (right) with (1) Queued Report
LSK
Label
Short Description
L4
STANDBY
Envoy sends a downlink (STANDBY) and pauses this response. If no action is taken by the
aircrew Envoy activates the annunciator (light or sound) for a response.
L5
UNABLE
Envoy sends a downlink (UNABLE) and closes this message transaction
R4
ARM RPT
Selection list, ARM RPT<default> or MAN.
If set to ARM RPT, the report is automatically downlinked when the aircraft exceeds the
specified flight level by 130 ft.
R5
WILCO
Envoy sends a downlink and queues the LEAVING FL330 report in the REPORT.