Aircraft established on final within 5 miles shall be separated a minimum of ___ miles.

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Multiple Choice

Aircraft established on final within 5 miles shall be separated a minimum of ___ miles.

When two aircraft are on the final approach for the same runway, the trailing airplane must keep a safe gap behind the lead airplane, and within 5 miles of the runway the required minimum is 1.5 miles. This spacing gives enough room to maintain a stabilized descent, account for wake turbulence, and handle any minor adjustments or go-arounds without crowding the lead aircraft. A smaller gap (like 1 mile) would be too tight for safe descent and maneuvering, while larger gaps (2 or 2.5 miles) are simply more than the minimum needed in this segment. So, 1.5 miles is the appropriate minimum for that final-approach interval.

When two aircraft are on the final approach for the same runway, the trailing airplane must keep a safe gap behind the lead airplane, and within 5 miles of the runway the required minimum is 1.5 miles. This spacing gives enough room to maintain a stabilized descent, account for wake turbulence, and handle any minor adjustments or go-arounds without crowding the lead aircraft. A smaller gap (like 1 mile) would be too tight for safe descent and maneuvering, while larger gaps (2 or 2.5 miles) are simply more than the minimum needed in this segment. So, 1.5 miles is the appropriate minimum for that final-approach interval.

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