COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Airparts (NZ) Ltd. FU 24 Series Aeroplanes AD/FU24/45 Fuel Quantity Indication - Modification 4/72 Applicability: All models with mechanical type fuel quantity indicators fitted to inboard end of left hand fuel tank system. Requirement: Modify the fuel quantity indicating system by: 1. Fitting electrical indicators; or 2. Repositioning the left hand indicator assembly to a scheme approved by the Secretary. Note: Airparts (NZ) Ltd. drawing 246158 is an acceptable means of compliance with 1. (above). Compliance: Before 30 September 1973.