COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Emergency Equipment AD/EMY/13 Aircruisers Discharge Valves - Inspection 1/78 Applicability: All Air Cruisers Company inflatables with discharge valves P/N D29517 series and D18259 series. Document: Air Cruisers Company SIL 114-77-2. Compliance: Before 1 June 1978 and thereafter at any time inflatable is removed for inspection.