COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Skyfox Aviation (Hedaro) CA25 Series Aeroplanes AD/CA25/5 Throttle Control Grub Screw 6/96 Applicability: Models CA25 and CA25N to Serial No. 032. Requirement: Action in accordance with Skyfox Aviation SB No. 12 dated 18 March 1996. Compliance: Part A of SB No 12 - Prior to further flight after 31 May 1996. Part B of SB No 12 - Within 100 hours time in service after 23 May 1996. Background: This Directive is issued to prevent possible loss of positive engine control.