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GM1 ACNS.B.DLS.B1.075 Downlink messages

ED Decision 2022/008/R

The following table associates downlink messages with data link services.

ID

Message

ACM

ACL

AMC

DM0

WILCO

x

x

 

DM1

UNABLE

x

x

 

DM2

STANDBY

x

x

 

DM3

ROGER

 

x

 

DM4

AFFIRM

 

x

 

DM5

NEGATIVE

 

x

 

DM6

REQUEST [level]

 

x

 

DM18

REQUEST [speed]

 

x

 

DM22

REQUEST DIRECT TO [position]

 

x

 

DM32

PRESENT LEVEL [level]

 

x

 

DM62

ERROR [errorInformation]

x

x

 

DM63

NOT CURRENT DATA AUTHORITY

x

 

 

DM65

DUE TO WEATHER

 

x

 

DM66

DUE TO AIRCRAFT PERFORMANCE

 

x

 

DM81

WE CAN ACCEPT [level] AT [time]

 

x

 

DM82

WE CANNOT ACCEPT [level]

 

x

 

DM98

[freetext]

x

x

 

DM99

CURRENT DATA AUTHORITY

x

 

 

DM100

LOGICAL ACKNOWLEDGEMENT

x

x

 

DM106

PREFERRED LEVEL [level]

 

x

 

DM107

NOT AUTHORIZED NEXT DATA AUTHORITY

x

x

 

DM109

TOP OF DESCENT [time]

 

x

 

 

[Issue: CS-ACNS/4]