COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Emergency Equipment AD/EMY/12 Beaufort Operating Mechanism C.1855 (P/N ME 48) - Inspection and Modification Applicability: Civil Aviation all Lifejackets (Reversible) MK.7D. Civil Aviation Lifejackets (Reversible) MK.5D. Civil Aviation Lifejackets (Reversible) MK.11E. Civil Aviation Lifejackets (Reversible) MK.11F. Civil Aviation Lifejackets (Reversible) Child MK.2D. Civil Aviation Lifejackets (Reversible) Child MK.1D. Baby's Floating Cot MK.3D. Document: Beaufort SB No. 035. Compliance: Before 30 June 1978. 6/77