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 107 of 173
Appendix A Acronyms
Acronym/Term
Definition
ACARS
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. The message protocol was designed by
ARINC
ACMMA
ACARS Custom Menu Manager Application
ACMS
Aircraft Condition Monitoring System
ADC
Air Data Computer
ADS
Automatic Dependent Surveillance
ADS-C
Automatic Dependent Surveillance-Contract
ADSF
ADS Function
ADSG
Ground ADS application
AFN
ATS Facilities Notification
AGNS
Automated Ground Network System
ANSP
Air Navigation Service Provider
AOC
Aeronautical Operational Control (see also ACARS)
ARINC
Aeronautical Radio Inc
ATC
Air Traffic Control (ATC COMM is another name for CPDLC)
ATN B1
Aeronautical Telecommunications Network Baseline 1
ATM
Air Traffic Management
ATS
Air Traffic Services
ATSU
Air Traffic Services Unit (ground data link system)
CADS
A CSP's centralized ADS-C system
CBT
Computer Based Training
CDA
Current Data Authority, appears on ATC LOGON/STATUS 1/2
CDU
Cockpit Display Unit
CFDIU
Centralized Flight (or Fault) Display Interface Unit
CMU
Communications Management Unit
CNS/ATM
Communications Navigation Surveillance/Air Traffic Management
COMM
Communications Mode
CPDLC
Controller Pilot Data Link Communications. FANS 1/A+ or ATN B1 protocol which
provides ATC data communication between controllers (ATSU) and the aircraft, using
air-ground and ground-ground subnetwork, and which is consistent with the ICAO
phraseology for the current ATC voice communication.
CRC
Cyclic Redundancy Check
CSC
Common Signaling Channel
CSP
Communication Service Provider
D-ATIS
Digital Automatic Terminal Information Service – a continuous broadcast of recorded
aeronautical information including weather, active runways, available approaches, and
NOTAMS in airports and their immediate surroundings.
DFDAU
Digital Flight Data Acquisition Unit
DLK
Data Link
DLIC
Data link initiation capability. A data link application that provides the ability to
exchange addresses, names and version numbers necessary to initiate data link
applications.
DLS
Data Link Services
DM
Downlink Message (see Appendix B, Appendix D, and Appendix E)
EASA
European Aviation Safety Agency
EATMN
European Air Traffic Management Network
ETD/EOBT
Estimated Time of Departure (US)/ Estimated Off-Block Time (EUROCONTROL/IATA)
FANS
Future Air Navigation System
FDAMS
Flight Data Acquisition Management System (see DFDAU)
FL
Flight Level, typically expressed in the nearest thousand feet divided by 100.