COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Israel Aircraft Industries 1123 and 1124 (Westwind) Series Aeroplanes AD/IAI-W/8 Navigation Equipment Mounting Latch Guard - Inspection and Modification 2/82 Applicability: All model 1124 Westwind Series Aeroplanes with GNS 500A or LRN 85 Receiver Computer Units (RCU) mounted above rear baggage compartment. Part I - S/N up to and including 306. Part II - S/N 307 to 309, 311 to 316, 318 to 324. Document: IAI 1124 Westwind SL No. WN-2460A except that locally available parts may be used in place of Kit No. SL WW-2460A. Compliance: Within 100 hours time in service after 28 February 1982. Background: Elevator control rod interference has been reported on aircraft where the RCU has been removed.