Commonwealth legislation

AD/RAD/31 - Sunair HF Transceiver - 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This Act has been repealed and is no longer in force. It is retained for historical reference.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

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What this is: An airworthiness directive (a mandatory safety order from the aviation regulator) requiring specific modifications to certain Sunair high-frequency radio transceivers used in aircraft.

Who it affects: Aircraft owners or operators with a Sunair HF Transceiver model ASB-130() containing:

Power amplifier/power supply part number PA-1010B; and
Serial number 8366 or below (for 28-volt systems), or serial number 5383 or below (for 14-volt systems)

What you must do:

Modify the equipment by following the instructions in Sunair Service Bulletin No. 130-001 dated 15 April 1974 (the manufacturer's official repair/upgrade instructions)
Permanently mark the equipment by adding "-001" next to the PA-1010B connector so the modification can be visually confirmed

Why it matters: This ensures specific radio communication equipment meets safety standards and allows mechanics to quickly identify which units have been upgraded, preventing potential communication system failures.

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AD/RAD/31 - Sunair HF Transceiver - 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/31 Sunair HF Transceiver - Modification 3/76

Applicability: Sunair HF Transceiver ASB-130() power amp/power supply P/No. PA-1010B with S/No. 8366 (28 volt) and below, and S/N 5383 (14 volt) and below.

Requirement: 1. Modify affected equipment in accordance with Sunair SB No. 130-001 dated 4.15.74.

Identify modified equipment by marking in a permanent manner “-001" adjacent to the PA-1010B connector.

Compliance: Before 31 March 1977.

Source text

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