An EDCT requires the aircraft to depart within what window relative to the assigned EDCT?

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Multiple Choice

An EDCT requires the aircraft to depart within what window relative to the assigned EDCT?

Explanation:
The important idea is that an EDCT sets a target departure time to help manage flow and spacing on the ground and in the air. You must depart within five minutes before or after that assigned time, providing a small, predictable window to account for minor taxi or preflight variances without throwing off the overall sequence. Departing outside this five-minute window can disrupt the planned departure stream, potentially causing holds, resequencing, or a new EDCT to be issued. Other windows (for example, a much larger spread or an asymmetric before/after range) wouldn’t maintain the tight coordination needed for efficient traffic management.

The important idea is that an EDCT sets a target departure time to help manage flow and spacing on the ground and in the air. You must depart within five minutes before or after that assigned time, providing a small, predictable window to account for minor taxi or preflight variances without throwing off the overall sequence. Departing outside this five-minute window can disrupt the planned departure stream, potentially causing holds, resequencing, or a new EDCT to be issued. Other windows (for example, a much larger spread or an asymmetric before/after range) wouldn’t maintain the tight coordination needed for efficient traffic management.

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