6/17/21
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
(alti-
tude)
Note
−
Used for a sin-
gle 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 speci
fied level or verti
cal range.
REQUEST
CLIMB TO (
level
)
DM10 REQUEST
DESCENT TO
(altitude)
DM10 REQUEST
DESCENT TO
(
level
)
Y
LVLD
−
3
Request for a de
scent to the speci
fied level or verti
cal range.
REQUEST DE
SCENT TO (
level
)
DM38 ASSIGNED
LEVEL
(altitude)
Note
−
Used for a sin-
gle level
DM38 AS
SIGNED LEVEL
(
level
)
N
LVLD
−
11
Confirmation that
the assigned level
or vertical range is
the specified level
or vertical range.
ASSIGNED LEV
EL (
level
)
DM61 DESCEND
ING TO
(altitude)
Note
−
urgent alert at-
tribute
N/A
N
LVLD
−
14
Report indicating
descending to the
specified level.
DESCENDING
TO (
level single
)
En Route Procedures
5
−
3
−
5