COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beagle B121 (Pup) Series Aeroplanes
AD/BEA 121/10 Rudder Drain Hole 4/72
Applicability: All models.
Requirement: Provide a suitable drain hole in the lower rudder area to ensure satisfactory drainage of moisture from within the rudder.
Compliance: Within 100 hours time in service after 28 April 1972.