LTAI A-CDM departure messaging and flight-plan suspension procedures are in force.

J3383/26

EST

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OpsFlight Procedures

2026-08-19 06:55 - 2026-11-19 14:00

Duration:LONG4 months EST

Period of Applicability

2026-08-19 06:55 - 2026-11-19 14:00

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Interpretation

Advanced tower procedures are in force at LTAI for A-CDM departure information exchange. LTAI sends A-DPI messages to NMOC reporting the target take-off time (TTOT). If an aircraft returns to stand after its estimated off-block time (EOBT), its flight plan is suspended in the ATM network through a C-DPI message, and the operator receives an FLS message stating “suspended by departure airport.” To remove the suspension, the operator must update the EOBT using a DLA or CHG message.

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Raw NOTAM

J3383/26 NOTAMR J1957/26
Q) LTAA/QSTXX/IV/NBO/A /000/999/3654N03048E005
A) LTAI B) 2608190655 C) 2611191400EST
E) ADVANCED TWR PROCEDURES IN FORCE:
DUE TO THE START OF INFORMATION EXCHANGE FOR DEPARTURE
FLIGHTS USING EUROPEAN STANDARD FOR A-CDM AIRPORTS, LTAI
WILL SEND A-DPI MESSAGES TO NMOC REPORTING TTOT TO IMPROVE TAKE-OFF
TIME ESTIMATES.
THE FPL OF ACFT THAT FOR ANY REASON RETURNS TO STAND AFTER
EOBT WILL BE SUSPENDED IN THE ATM NETWORK WITH A C-DPI
MESSAGE. THE ACFT OPERATOR WILL RECEIVE A FLS MESSAGE
WITH REASON 'SUSPENDED BY DEPARTURE AIRPORT'. TO REVOKE THE
SUSPENSION, OPERATORS SHALL UPDATE EOBT WITH A DLA OR CHG MESSAGE.
ACRONYMS :
A-CDM (AIRPORT COLLABORATIVE DECISION MAKING)
A-DPI (ATC DEPARTURE PLANNING INFORMATION)
ATFCM (AIR TRAFFIC FLOW CAPACITY MANAGEMENT)
C-DPI (CANCEL DEPARTURE PLANNING INFORMATION)
FLS (FLIGHT SUSPENSION)
NMOC (NETWORK MANAGER OPERATIONS CENTER)
TTOT (TARGET TAKE-OFF TIME)

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