COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes AD/SWSA226/60 Stall Avoidance System Maintenance 1/91 Applicability: All models as listed in Requirement Document. Requirement: Inspect and/or modify as appropriate in accordance with FAA Airworthiness Directive 85-22-06 R1. Compliance: As per Requirement Document within 100 hours time in service from 24 Jan 1991. Background: To assure proper operation of the Stall Avoidance System.