FAR/AIM
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Federal Aviation Regulations
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PART 93—SPECIAL AIR TRAFFIC RULES
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Subpart U—Special Flight Rules in the Vicinity of Grand Canyon National Park, AZ
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§ 93.311 – Minimum terrain clearance.
§ 93.311 – Minimum terrain clearance.
Except in an emergency, when necessary for takeoff or landing, or unless otherwise authorized by the responsible Flight Standards Office for a purpose listed in § 93.309(c), no person may operate an aircraft within 500 feet of any terrain or structure located between the north and south rims of the Grand Canyon.