COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Short SD3-30 Series Aeroplanes AD/SD3-30/6 Passenger Cabin Window - Modification 1/82 Applicability: SD 3-30 aircraft with S/Nos. SH 3002 to SH 3071; and SH 3073, SH 3075, SH 3077 and SH 3078. Document: Shorts SB No. SD3-56-02. (Modification No. 6159). Compliance: Accomplish before 1 April, 1982. Background: An instance has been reported where ice cast by the propeller penetrated the right hand window immediately aft of the propeller plane.