AD/IAI-W/6 - Audio Intercom System - Warning Placard and Modification
1AD/IAI-W/6 - Audio Intercom System - Warning Placard and Modification
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Israel Aircraft Industries 1123 and 1124 (Westwind) Series Aeroplanes
AD/IAI-W/6 Audio Intercom System - Warning Placard and Modification
5/81
Applicability: All models 1123, 1124 and 1124A with S/Nos. 151 to 315 except 294, 296, 297, 309,
310 and 314.
Document: IAI Service Bulletin WW-25 for Model 1123 aeroplanes. IAI Service Bulletin WW- 24-23 for Model 1124 and 1124A aeroplanes.
Note: FAA Emergency Airworthiness Directive 81-07-07 dated 20 March 1981 refers.
Compliance: Within 100 hours time in service after 31 May 1981.
Background: In an incident overseas a resistor in the intercom system overheated and initiated a fire on the ground. A check of Australian aircraft of this type revealed that overheating of the same resistor has occurred but not to the degree necessary to initiate a fire.