COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Short SD3-60 Series Aeroplanes AD/SD3-60/55 Revised Engine Limitations Label 6/99 Applicability: SD3-60 aircraft serial number SH3716 through SH3763. Requirement: Affix a revised engine limitations label to the ditching hatch in accordance with the requirements of Short Brothers Service bulletin SD360-11-23. Note: CAA (UK) Airworthiness Directive 015-11-98 refers. Compliance: Prior to 31 July 1999. This Airworthiness Directive becomes effective on 17 June 1999. Background: This directive has been issued to require a revised engine limitations label which reflects the aircraft manufacturer's amendment of the propeller speed tolerance.