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/25 Bayside VHF Transceiver Modification or Retirement
Applicability: BEI-990, BEI-990H, BEI-990E, BEI-990P.
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Requirement: 1. Modify all models of Bayside BEI-990 series VHF transceiver so as to reduce the level of spurious emissions to at least 40 db below the fundamental radiated frequency; or
2. Retire the transceiver from service. Compliance: Before 1 December 1974.