Commonwealth legislation

AD/RAD/37 - Narco VHF NAV OBS Gear Assembly - Modification

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

What this is: A mandatory safety order (an Airworthiness Directive) requiring a specific mechanical fix for certain aircraft navigation equipment.

Who it affects: Owners and operators of aircraft fitted with Narco navigation receivers (models Nav-121, Nav-122, or Nav-122A) and indicator units (model ID-124).

What you must do: Modify the VHF NAV OBS Gear Assembly according to the technical instructions in Narco Avionics Service Bulletin No. 6 (centreline Nav).

Deadline: Complete the modification within 100 hours of flight time after 30 September 1978.

Why it matters: This prevents mechanical failures in the navigation system that could compromise an aircraft's ability to determine its position or navigate safely.

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AD/RAD/37 - Narco VHF NAV OBS Gear Assembly - Modification

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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 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.

Source text

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