Commonwealth legislation

AD/ECUREUIL/5 - Tail Rotor Control Fixed Plate - Inspection of Self Aligning Bearing

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

What this does: This is a mandatory safety rule (called an Airworthiness Directive) for operators of Eurocopter AS 350 helicopters. It requires regular checks of a specific mechanical part in the tail rotor control system.

Who it affects: Owners and operators of AS 350 model helicopters that have not been modified according to service bulletins AMS 350A.07.6513 or AMS 350A.07.8515.

What must be done: Every 50 hours of flight time, mechanics must inspect the "self-aligning bearing" (a component that allows movement while supporting load) in the tail rotor control fixed plate to ensure it is properly seated in its housing (the bore).

Why it matters: The tail rotor keeps the helicopter stable and controls its direction. If this bearing slips out of place, it could lead to loss of tail rotor control, potentially causing a catastrophic accident.

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AD/ECUREUIL/5 - Tail Rotor Control Fixed Plate - Inspection of Self Aligning Bearing

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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 Eurocopter AS 350 (Ecureuil) Series Helicopters

AD/ECUREUIL/5 Tail Rotor Control Fixed Plate - Inspection

of Self Aligning Bearing

8/79

Applicability: All model AS.350 not modified in accordance with AMS 350A.07.6513 and AMS 350A.07.8515.

Document: AS.350 SB 05.01.

Compliance: At periods not exceeding 50 hours time in service.

Background: Regular inspections are required to ensure that the tail rotor control self aligning bearing is correctly located in the bore of the fixed plate.

Source text

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