COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Radio Communication and Navigation Equipment
AD/RAD/37 Narco VHF NAV OBS Gear Assembly - Modification 9/78
Applicability: All Narco Nav receivers type Nav-121, Nav-122 and Nav-122A and indicators type ID-124.
Document: Narco Avionics SB - centreline Nav. No. 6.
Compliance: Within 100 hours time in service after 30 September 1978.