Commonwealth legislation

AD/INST/25 - Aerosonic Encoding Altimeters - Replacement

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

1/10 complexity

This mandatory Airworthiness Directive requires owners of aircraft fitted with Aerosonic Series 1014 altimeters (serials 26320C–28921C, suffix "C") to replace them or follow Piper Service Bulletin No. 600-67.

The affected encoders can report incorrect altitude to ATC, creating collision or airspace risks; compliance is required within 100 flight hours after 30 April 1978.

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AD/INST/25 - Aerosonic Encoding Altimeters - Replacement

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source 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.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.