Unless otherwise authorized by the responsible Flight Standards 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.