4/20/23
AIM
TBL 5
−
3
−
5
Level Downlink Message Elements (LVLD)
CPDLC Message Sets
Operational Definition in PANS
−
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
)
Y
LVLD
−
1
Request to fly at
the specified level
or vertical range.
REQUEST
(level)
DM9 REQUEST
CLIMB TO
(altitude)
DM9 REQUEST
CLIMB TO (
level
)
Y
LVLD
−
2
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
)
Y
LVLD
−
3
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
)
N
LVLD
−
11
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
N/A
N
LVLD
−
14
Report indicating
descending to the
specified level.
DESCENDING
TO (
level single
)
En Route Procedures
5
−
3
−
5