COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 177 Series Aeroplanes AD/CESSNA 177/24 Fuel Quantity Transmitter 3/79 Applicability: All models 177 and 177RG with S/Nos. 17700001 thru 17702672, 177RG001 thru 177RG1266 and F177RG0001 thru F177RG0177. Requirement: Action in accordance with Cessna SL SE78-69. Compliance: Within 100 hours time in service after 28 February 1979.