FAA AMT Airframe Test 2026 – 400 Free Practice Questions to Pass the Exam

The correct answer is B. A 100-hour inspection may be extended by up to 10 hours under specific conditions as outlined in FAR 91.409. It is crucial to follow these regulations to ensure the safety and airworthiness of the aircraft.

Option A, 48 hours, is incorrect because the maximum extension allowed for a 100-hour inspection is 10 hours, not 48 hours.

Option C, 72 hours, is incorrect because the maximum extension allowed for a 100-hour inspection is 10 hours, not 72 hours.

Option D, no extension is allowed, is incorrect because, as mentioned earlier, an extension of up to 10 hours is permitted under certain circumstances.