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 71 of 173
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.
Table 5-4 DEPARTURE CLR REQ Fields
LSK
LABEL
FUNCTION or DESCRIPTION
L1
ORIG
Required. Autopopulated. Departure airport. To edit, use Flight Initialization, Section 5.4.1.1
L2
GATE
Required. Identifier of the location of the aircraft at the airport during the pre-flight phase, 1 to
5 characters.
R1
DEST
Required. Autopopulated. Destination airport. To edit, use Flight Initialization, Section 5.4.1.1
R2
D-ATIS ID
Required. The letter representing the ORIG airport D-ATIS recording the aircrew last heard.
L3
FREE TEXT
Optional field of up to 24 characters to clarify this request.
R6
SEND
Appears when required input has been provided. Press LSK R6 (SEND) to transmit the
downlink message.
L6
RETURN
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