INSTRUMENT NUMBER: CASA 184/00 CIVIL AVIATION ACT 1988 CIVIL AVIATION REGULATIONS 1988 DIRECTION UNDER SUBREGULATION 207 (3) I, RICHARD GODFREY YATES, a delegate of CASA, under subregulation 207 (3) of the Civil Aviation Regulations 1988, direct that a flight crew member who is on flight deck duty in an unpressurised aircraft engaged in parachuting operations must be provided with, and continuously use, supplemental oxygen: (a) if the aircraft operates above flight level 120; or (b) if the aircraft operates above 10,000 feet above mean sea level: (i) for more than 15 minutes during a sortie; or (ii) at night; or (iii) in I.M.C. [Signed R.G. Yates] Richard G. Yates Assistant Director Aviation Safety Standards 23 May 2000