What is the offset tolerance for Cat C and D aircraft for a straight-in approach?

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Multiple Choice

What is the offset tolerance for Cat C and D aircraft for a straight-in approach?

Explanation:
Understanding final approach alignment is key here. The offset tolerance is how much the published final approach course can differ from the runway centerline while still being considered a straight-in approach. For Cat C and D aircraft, that allowable misalignment is 15 degrees. This limit helps keep the approach path stable and within safe obstacle clearance and runway alignment margins in instrument conditions. If the aircraft exceeds 15 degrees of offset, the procedure would no longer be treated as a straight-in, and a circling or alternative approach would typically be required to maintain safety.

Understanding final approach alignment is key here. The offset tolerance is how much the published final approach course can differ from the runway centerline while still being considered a straight-in approach. For Cat C and D aircraft, that allowable misalignment is 15 degrees. This limit helps keep the approach path stable and within safe obstacle clearance and runway alignment margins in instrument conditions. If the aircraft exceeds 15 degrees of offset, the procedure would no longer be treated as a straight-in, and a circling or alternative approach would typically be required to maintain safety.

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