COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 65 and 70 (Queen Air) Series Aeroplanes AD/BEECH 65/56 Cabin, Baggage and Pilot Compartment Side Windows - Inspection Applicability: All models 65-88 with S/Nos. LP-1 to LP-26, LP-28 and LP-30 to LP-47. Document: Beechcraft SI No. 0711-110, Rev. 111. Note: FAA AD 81-12-01 Amdt. 39-4126 refers. 8/81 Compliance: Unless already accomplished, initially inspect within 50 hours' time in service after 7 July 1981 and thereafter at intervals not exceeding 300 hours' time in service or 1 year, whichever occurs first, until windows are replaced in accordance with Beechcraft SI No. 0711-110, Rev. 111. Background: In service window failures have occurred both in Australia and overseas in similar type aeroplanes.