background image

AIM

10/12/17

5

−3−10

En Route Procedures

TBL 5

−3−16

Free Text Uplink Message Elements (TXTU)

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 Ele-

ment Display

UM169 (free text)

UM203 (free text)

R

TXTU

−1

(free text
Note 

− M alert 

attribute.

UM169 (free text)
CPDLC NOT IN USE
UNTIL FURTHER
NOTIFICATION

N/A

R

See Note

(free text)

UM169 (free text)
“[facility designation]”
(for Altimeter Report-
ing Station)

N/A

R

See Note

(free text)

UM169 (free text
“[facility designation]
ALTIMETER MORE
THAN ONE HOUR”
OLD

N/A

R

See Note

(free text)

UM169 (free text
DUE TO WEATHER

N/A

R

See Note

(free text)

UM169 (free text
REST OF ROUTE UN-
CHANGED

N/A

R

See Note

(free text)

UM169 (free text
TRAFFIC FLOW
MANAGEMENT
REROUTE

N/A

R

See Note

(free text)

NOTE

These are FAA scripted free text messages with no GOLD equivalent.

TBL 5

−3−17

Free Text Downlink Message Elements (TXTD)

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 Ele-

ment Display

DM68 (free text)
Note 1. 

− Urgency or Distress

Alr (M)

Note 2. 

− Selecting any of the

emergency message elements
will result in this message ele-
ment being enabled for the
flight crew to include in the
emergency message at their
discretion.

N/A

Y

TXTD

−1

(free text
Note 

− M alert 

attribute.

3/15/07

7110.65R CHG 2

AIM

2/28/19