COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Schweizer (Hughes) 269 Series Helicopters AD/HU 269/101 Throttle Control Linkage Restriction 8/93 TX Applicability: All models; 269A with fuel injected engines, 269A1 and 269B, and 269C S/n 0004 to 1480 and 1482 to 1486; with engine driven fuel pump drain tube assembly P/N 269A8326-95 installed. Requirement: Action in accordance with Schweizer SB B-235.1 Note: FAA AD 93-05-11 Amdt 39-8515 refers. Compliance: Part I: Within 5 hours time in service after 02 June 1993. Part II: Within 5 hours time in service after 02 June 1993 and thereafter at intervals not exceeding 25 hours time in service. Part III: a. Prior to 02 December 1993, or b. Prior to further flight - where the tube is found to be less than 7.50 inches (190.50mm) or is found at any time to interfere with the throttle linkage. This Directive must be entered on to the Maintenance Release as maintenance required. After the initial inspection, Part II of the Requirement Document may be performed by the pilot in command and a certification is to be made against AD/HU 269/101 on the Maintenance Release at each inspection. A copy of this Directive and the Requirement Document must be carried in the aircraft. Background: This Directive is issued in response to an incident overseas, where throttle travel was restricted due to interference from the fuel drain tube assembly.