1. Viet Nam AIDC

2. AIDC Implementation Status HCM - AIDC – available for current ATM System Ver 1 HaNoi – AIDC - available for current ATM System Ver 3 Conduct test with Singapore – ongoing Conduct test between HaNoi and HCM Bi-lateral agreement between HCM and HaNoi- ongoing

3. 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

4. Observation: Missing ODF, Option 3 (ODF-3) 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

5. Observation: Missing ODF, Option 3 (ODF-3) field HoChiMinh and Singapore will test ODF3 on 29 –July (after the Meeting)

6. Thanks very much!