What is the format to amend the proposed departure time of N2314S to 1345?

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Multiple Choice

What is the format to amend the proposed departure time of N2314S to 1345?

Explanation:
To amend a proposed departure time, the message must clearly signal that it’s an amendment, identify the specific aircraft, include the amendment sequence or date, and label the new time as proposed. Start with the amendment indicator, then the aircraft tail number N2314S, then the sequence/date code 07 to tie the change to the correct record, and finally the time prefixed with P to show it is a proposed value: P1345. This exact ordering ensures the system recognizes that you are proposing a change to the departure time for that specific aircraft. Omitting the amendment indicator would leave the message ambiguous as to whether you’re making a change or just sending a normal instruction. Leaving out the 07 sequence/date could cause the amendment to be misassociated with the wrong record. Dropping the P before the time would fail to label the new time as proposed, creating confusion between current vs. proposed values. Reversing the order so the time comes before the aircraft would also fail to meet the expected format and could be rejected by the system. So, the correct format is AM N2314S 07 P1345 (enter).

To amend a proposed departure time, the message must clearly signal that it’s an amendment, identify the specific aircraft, include the amendment sequence or date, and label the new time as proposed. Start with the amendment indicator, then the aircraft tail number N2314S, then the sequence/date code 07 to tie the change to the correct record, and finally the time prefixed with P to show it is a proposed value: P1345. This exact ordering ensures the system recognizes that you are proposing a change to the departure time for that specific aircraft.

Omitting the amendment indicator would leave the message ambiguous as to whether you’re making a change or just sending a normal instruction. Leaving out the 07 sequence/date could cause the amendment to be misassociated with the wrong record. Dropping the P before the time would fail to label the new time as proposed, creating confusion between current vs. proposed values. Reversing the order so the time comes before the aircraft would also fail to meet the expected format and could be rejected by the system.

So, the correct format is AM N2314S 07 P1345 (enter).

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