When CFR is in effect, release aircraft so they are airborne within a window that extends from ____ minutes prior and ends ____ minute after the assigned time, unless otherwise coordinated.

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Multiple Choice

When CFR is in effect, release aircraft so they are airborne within a window that extends from ____ minutes prior and ends ____ minute after the assigned time, unless otherwise coordinated.

CFR uses a small, defined takeoff window around the assigned time to allow for minor variances without disrupting traffic flow. The window extends two minutes before the assigned time and ends one minute after it. This provides enough flexibility for taxi, engine start, and sequencing while keeping departures predictably spaced for ATC and the rest of the system. A longer window would risk spacing issues and potential downstream conflicts, while zero flexibility would be too rigid in real-world operations. The two minutes prior and one minute after window is the balance that keeps departures orderly yet pragmatic.

CFR uses a small, defined takeoff window around the assigned time to allow for minor variances without disrupting traffic flow. The window extends two minutes before the assigned time and ends one minute after it. This provides enough flexibility for taxi, engine start, and sequencing while keeping departures predictably spaced for ATC and the rest of the system. A longer window would risk spacing issues and potential downstream conflicts, while zero flexibility would be too rigid in real-world operations. The two minutes prior and one minute after window is the balance that keeps departures orderly yet pragmatic.

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