Commonwealth legislation

AD/BEECH 50/2 - Cylinder Head Thermocouple

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

2/10 complexity

This is a mandatory safety notice (an Airworthiness Directive) from the Civil Aviation Safety Authority for owners of specific Beechcraft aeroplanes.

Who it affects: Owners and operators of Beechcraft Model 50 and B50 aircraft (known as the 'Twin Bonanza') with serial numbers before CH-45.

What it requires: You must immediately take action to fix or inspect the cylinder head thermocouple — a temperature sensor that tells the pilot if the engine is overheating. Specifically, you must follow the technical instructions in Beechcraft Service Bulletin No. 3 for these models.

When: Immediately (the legal term used is 'forthwith', meaning without delay).

Why it matters: If this temperature sensor fails, pilots won't know if the engine is running too hot, which could lead to engine failure, damage, or fire. This rule ensures that critical safety equipment is working properly.

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AD/BEECH 50/2 - Cylinder Head Thermocouple

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Beechcraft 50 (Twin Bonanza) Series Aeroplanes

AD/BEECH 50/2 Cylinder Head Thermocouple NK

Applicability: Models 50 and B50 with S/Nos. prior to CH-45. Requirement: Action in accordance with Beechcraft SB 50, B50 - No. 3. Compliance: Forthwith.

Source text

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