In the contiguous U.S., excluding the airspace at and below 2,500 feet AGL, an operable coded transponder equipped with Mode C capability is required in all airspace above

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Unless otherwise authorized or required by ATC, the maximum indicated airspeed permitted when at or below 2,500 feet AGL within 4 NM of the primary airport within Class C or D airspace is

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Each required flight crewmember is required to keep his or her shoulder harness fastened

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What person is directly responsible for the final authority as to the operation of the airplane?

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When is the pilot in command required to hold a category and class rating appropriate to the aircraft being flown?

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