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 99 of 173
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.
Label
Description
GROUPS
Identifies the types of data that are being tracked and reported to the specified ATSU
BASIC
FLIGHT ID
EARTH REF
AIR REF
AIRFRM ID
METEORLOG
PRED RTE
-predetermined route
PERIODIC
(DEMAND,
EVENT)
Identifies the type of contract, and the modulus for the reports, where 1 indicates the group data
is being sent each modulus, and 13 means the data is being sent every 3 modulus (or time
periods). If an item contains --, that data is not being (or has not yet been) collected.
LAST
Time of latest ADS-C transmission to the ADSG
LSK
Label
Description
L1-L4
GROUPS
L6
The AOC facility
R6
INIBIT
Disable reporting to the ADSG identified on the title page
To inhibit all ADS-C transmissions for FANS 1/A+, see Table 3-2
LOGON/STATUS 2/2.
--
LAST
Time of latest ADS-C transmission to the ADSG
When transitioning to an ATN data authority, all existing ADS-C contracts are automatically
canceled.