(
13
Message Type, Number

Aircraft Identification and SSR
Departure Aerodrome
– –
and Reference Data Mode and Code and Time
16
–

Destination Aerodrome and Total Estimated Elapsed Time, Alternate Aerodrome(s)
– – – – –
– – – – –
– – – – – – – – – – – – – –
2.3.2.2 Example

The following is an example of a modification message sent by Amsterdam Centre to Frankfurt Centre correcting information previously sent to Frankfurt in a filed flight plan message. It is assumed that both centres are computer-equipped.
(CHGA/F016A/F014-GABWE/A2173-EHAM-EDDF-8/I-16/EDDN)
2.3.2.2.1 Meaning

Modification message — Amsterdam and Frankfurt computer unit identifiers A and F, followed by serial number (016) of this message sent by Amsterdam, repeat of computer unit identifiers followed by serial number (014) of the related filed flight plan message — aircraft identification GABWE, SSR Code 2173 operating in Mode A, en route from Amsterdam to Frankfurt — Field Type 8 of the related filed flight plan message is corrected to IFR — Field Type 16 of the related filed flight plan is corrected, the new destination is Nürnberg.
– – – – – – – – – –
22
22 etc. (using more than one

)

line if necessary)
–
Amendment Amendment

A3-36 2.3.3  Flight plan cancellation (CNL) message 2.3.3.1 Composition  Rules of the Air and Air Traffic Services (PANS-RAC) 
3  7  13 

(
Message Type, Number

Aircraft Identification and SSR
Departure Aerodrome
–
–
and Reference Data
Mode and Code
and Time
16
– Destination Aerodrome and Total Estimated Elapsed Time, Alternate Aerodrome(s)

)
2.3.3.2 Example 1

The following is an example of a flight plan cancellation message sent by an ATS unit to all addressees of a filed flight plan
message previously sent by that unit.
(CNL-DLH522-EDBB-LFPO)

2.3.3.2.1 Meaning Flight plan cancellation message — cancel the flight plan of aircraft identification DLH522 — flight planned from Berlin to Paris.
2.3.3.3 Example 2

The following is an example of a flight plan cancellation message sent by a centre to an adjacent centre. It is assumed that both
centres are equipped with ATC computers.
(CNLF/B127F/B055-BAW580-EDDF-EDDW)

2.3.3.3.1 Meaning Flight plan cancellation message — identifiers of sending and receiving ATC computer units F and B, followed by serial number
(127) of this message, repeat of computer unit identifiers followed by serial number (055) of current flight plan message previously transmitted — cancel the flight plan of aircraft identification BAW580 — flight planned from Frankfurt to Bremen.
2.3.4  Delay (DLA) message
2.3.4.1 Composition
3 7

13
Message Type, Number

Aircraft Identification and
Departure Aerodrome – –
(
and Reference Data SSR Mode and Code and Time

–
16
Destination Aerodrome and Total Estimated Elapsed Time, Alternate Aerodrome(s)

)

2.3.4.2 Example

The following is an example of a delay message sent from a departure aerodrome, or from a parent unit handling communications
for a departure aerodrome, to each addressee of a filed flight plan message.
(DLA-KLM671-LIRF0900-LYDU)

2.3.4.2.1 Meaning Delay message — aircraft identification KLM671 — revised estimated off-block time Fiumicino 0900 UTC destination Dubrovnik.
　
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