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TBL 5

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Level Downlink Message Elements (LVLD)

CPDLC Message Sets

Operational Definition in PANS

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ATM (Doc 4444)

FANS 1/A

ATN B1

Response

Message

Element

Identifier

Message Element

Intended Use

Format for

Message Element

Display

DM6 REQUEST

(altitude)

Note

-

 Used for a

single level

DM6 REQUEST

(

level

)

LVLD

-

Request to fly at

the specified level

or vertical range.

REQUEST

(level)

DM9 REQUEST

CLIMB TO

(altitude)

DM9 REQUEST

CLIMB TO (

level

)

LVLD

-

Request for a

climb to the

specified level or

vertical range.

REQUEST

CLIMB TO (

level

)

DM10 REQUEST

DESCENT TO

(altitude)

DM10 REQUEST

DESCENT TO

(

level

)

LVLD

-

Request for a

descent to the

specified level or

vertical range.

REQUEST

DESCENT TO

(

level

)

DM38 ASSIGNED

LEVEL

(altitude)

Note

-

 Used for a

single level

DM38

ASSIGNED

LEVEL (

level

)

LVLD

-

Confirmation that

the assigned level

or vertical range is

the specified level

or vertical range.

ASSIGNED

LEVEL (

level

)

DM61

DESCENDING TO

(altitude)

Note

-

 urgent alert

attribute

LVLD

-

Report indicating

descending to the

specified level.

DESCENDING

TO (

level single

)

En Route Procedures

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