COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Aerospatiale (Socata) TBM 700 Series Aeroplanes AD/TBM 700/2 Elevator Horn Anti-Icing 6/93 Applicability: Aerospatiale TBM 700 Series aircraft Serial Numbers 1 to 49 inclusive. Requirement: Action in accordance with Socata TBM SB 70-20-30. Note: GAC AD 93-041(B) refers. Compliance: Prior to 30 June 1993. Background: This Directive requires the installation of pneumatic de-icing equipment to the elevator horns to avoid ice accumulation at low speed and in icing conditions.