COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Dornier DO-27 Series Aeroplanes AD/DO-27/11 Wing Flap Position Selector 2/89 Applicability: All models. Requirement: Action in accordance with Dornier Service Bulletin 1116-0000. Note: LBA AD 88-109 refers. Compliance: Prior to 1 March 1989. Note: Flight Manual to be amended to G1 status restricting maximum flap deflection to 35 degrees prior to 1 March 1989 unless accomplished previously. Background: This modification is to improve the longitudinal controllability of the aircraft in the landing configuration.