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AIDC Implementation & Observation. SINGAPORE. July 2013. AIDC Implementation. Status AIDC – available for new ATC System Conduct test with Ho Chi Minh (HCM) – ongoing Bi-lateral agreement with HCM - ongoing. Observation: Missing ODF, Option 3 (ODF-3) field. ODF-3
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AIDC Implementation & Observation SINGAPORE July 2013
AIDC Implementation • Status • AIDC – available for new ATC System • Conduct test with Ho Chi Minh (HCM) – ongoing • Bi-lateral agreement with HCM - ongoing
Observation: Missing ODF, Option 3 (ODF-3) field • ODF-3 • A field in AFTN message header • Contains reference information of the previously sent data • ICD did not indicate this is a compulsory field • Compulsory ODF-3 in ACP and REJ • SIN ATMS rejected HCM’s ACP and REJ messages with missing ODF-3 in HCM messages • Subsequently, HCM ATMS updated software to send ACP and REJ messages with ODF-3