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/FU24/14 Hopper and Spray Tank Installation - Modification 6/68 Applicability: All models manufactured prior to S/Nos. 120 not modified in accordance with James Aviation JA/FU24/M92 or Air Parts SB AP14. Requirement: Modify the hopper installation in a manner approved by the Secretary to withstand a 12g forward loading in an emergency alighting case. Compliance: Forthwith.