COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Short SD3-60 Series Aeroplanes AD/SD3-60/44 Strobe Lighting 1/97 Applicability: This Directive is applicable to all SD3-60-200 variant aeroplanes. Requirement: Incorporate Modification No A8651 (Introduction of New Strobe Light and Power Supply with Associated Hardware) in accordance with Shorts Service Bulletin SD360-33-25 Revision 1 dated July 1996. Note: CAA(UK) AD 007-05-96 refers. Compliance: Prior to 31 March 1997. Background: The CAA(UK) has advised that the existing tail strobe light does not meet the certification requirements regarding minimum intensity. Action specified by this Directive rectifies this deficiency.