COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Instruments and Automatic Pilots
AD/INST/25 Aerosonic Encoding Altimeters - Replacement 4/78
Applicability: Series 1014 altimeters S/Nos. 26320C to 28921C.
Note: Only altimeters with the suffix 'C' are affected.
Requirement: Replace with series 1014 altimeters having a S/No. other than 26320C to 28921C; or Piper SB No. 600-67.
Compliance: Within 100 hours time in service after 30 April 1978.