Which prefix indicates an amendment to an existing departure time?

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Multiple Choice

Which prefix indicates an amendment to an existing departure time?

Explanation:
When you need to revise the time you’ve filed for departure, you use a tag that shows the change is only to the departure time. The prefix AM stands for amendment. It tells everyone that the previously filed departure time has been updated while all other flight plan details stay the same. This helps ATC and crew adjust schedules without rewriting the entire plan. Other prefixes are used for different kinds of updates and do not indicate an amendment to the departure time, so they wouldn’t convey the intended meaning in this scenario.

When you need to revise the time you’ve filed for departure, you use a tag that shows the change is only to the departure time. The prefix AM stands for amendment. It tells everyone that the previously filed departure time has been updated while all other flight plan details stay the same. This helps ATC and crew adjust schedules without rewriting the entire plan.

Other prefixes are used for different kinds of updates and do not indicate an amendment to the departure time, so they wouldn’t convey the intended meaning in this scenario.

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