COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes AD/BEECH 55/54 Goodyear Fuel Cells 6/78 Applicability: Models 95-A55, 95-B55 and 95-B55A with S/Nos. TC-380 to TC-1607; 95-C55, 95- C55A, D55, D55A, E55 and E55A with S/Nos. TC-350 and TE-1 to TE-942; 95- B55B (T42A) with S/Nos. TF-1 to TF-65; 58 and 58A with S/Nos. TH-1 to TH-384 fitted with Goodyear BTC-39 fuel cells. Requirement: Action in accordance with Beechcraft SI No. 0895. Compliance: Within 100 hours' time in service after 30 June 1978 and thereafter at intervals not exceeding twelve months.