COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Douglas DC3 Series Aeroplanes AD/DC3/24 DME Aerial Installation - Modification NK Applicability: All models with DME aerials type VJN-3, VJN-3A or VJN-3B mounted forward of station 136 1/2. Requirement: Relocate the aerial to a position aft of station 136 1/2 or alternatively replace the aerial with a type AT-256A/ARC and associated matching stub.