COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Douglas DC3 Series Aeroplanes AD/DC3/16 Reissue Applicability: All models. Flexible Hose - Replacement 1/84 Requirement: Remove propeller feathering hose assembly, P/No ASC-A14F, and replace with hose assembly approved by the Secretary. Compliance: Unless already accomplished, within 100 hours time in service after 29 February 1984. Background: This Directive is reissued with no changes made to the requirement.