14 C.F.R. § 93.317 Commercial Special Flight Rules Area operation curfew.
Title 14 - Aeronautics and Space
Unless otherwise authorized by the Flight Standards District Office, no person may conduct a commercial Special Flight Rules Area operation in the Dragon and Zuni Point corridors during the following flight-free periods: (a) Summer season (May 1–September 30)–6 p.m. to 8 a.m. daily; and (b) Winter season (October 1–April 30)–5 p.m. to 9 a.m. daily. [65 FR 17732, Apr. 4, 2000]
Title 14: Aeronautics and Space
PART 93—SPECIAL AIR TRAFFIC RULES
Subpart U—Special Flight Rules in the Vicinity of Grand Canyon National Park, AZ
§ 93.317 Commercial Special Flight Rules Area operation curfew.
