AIM
8/15/19
5
−
3
−
2
En Route Procedures
TBL 5
−
3
−
1
Route Uplink Message Elements (RTEU)
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
UM74 PROCEED
DIRECT TO
(
position
)
UM74 PROCEED
DIRECT TO
(
position
)
W/U
RTEU
−
2
Instruction to pro-
ceed directly to the
specified position.
PROCEED
DIRECT TO
(
position
)
UM79 CLEARED
TO (
position
) via
(
route clearance
)
UM79 CLEARED
TO (
position
) via
(
route clearance
)
W/U
RTEU
−
6
Instruction to pro-
ceed to the speci-
fied position via the
specified route.
CLEARED TO
(position)
VIA
(departure data[O])
(en
−
route data)
UM80 CLEARED
(route clearance)
UM80 CLEARED
(route clearance)
W/U
RTEU
−
7
Instruction to
proceed via the
specified route.
CLEARED
(departure data[O])
(en
−
route data)
(arrival approach
data)
UM83 AT
(posi-
tion)
CLEARED
(route clearance)
N/A
W/U
RTEU
−
9
Instruction to pro-
ceed from the speci-
fied position via the
specified route.
AT
(position)
CLEARED
(en
−
route data)
(arrival approach
data)
TBL 5
−
3
−
2
Route Downlink Message Elements (RTED)
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
DM22 REQUEST
DIRECT TO
(
position
)
DM22 REQUEST
DIRECT TO
(
position
)
Y
RTED
−
1
Request for a direct
clearance to the
specified position.
REQUEST
DIRECT TO
(
position
)