COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Pilatus Britten-Norman BN-2 Series Aeroplanes AD/BN-2/38 Flight Compartment Seat Back - Inspection NK and Modification Applicability: All models with flight compartment seats: P/N NB-99-H-007 manufactured by "ALAR" or P/N JS 114 S/Nos. prior to No. 239/9 manufactured by "JETSEATS". Document: Britten Norman SB No. BN-2/SB.69. Compliance: Inspect within 100 hours time in service after 30 November 1976 and thereafter at intervals not exceeding 100 hours time in service until modified. Modify within 300 hours time in service after 30 November 1976.