COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 336 Series Aeroplanes
AD/CESSNA 336/4 Open Wire Aerial Installation - Modification
8/66
Applicability: All models fitted with bakelite aerial stand off mast Cessna P/N 0411217 which have aerials rigged in a manner which applies a side load to the mast.
Requirement: Re-rig aerials to remove any side load from the mast or replace mast with one of a type suitable for the loads applied.
Note: Rex Aviation mast, comprising rod P/No. RA-483 and bracket P/No. RA-482-A or RA-482-B is a suitable replacement.
Compliance: Within 300 hours time in service after 15 August 1969.