Commonwealth legislation

AD/BEA 121/29 - Aircraft Fatigue Life

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

The directive forces retirement of every Beagle B121 (Pup) airframe before it reaches 17,900 fatigue hours, with fatigue‑hour totals calculated exactly per Jetstream Alert Service Bulletin B121/101. It applies to all B121 Pups (effective 17 Aug 1995) and implements a UK CAA‑allocated mandatory life. Aircraft owners/operators must track hours, retire affected airframes before the cap, and bear the resulting replacement and compliance costs.

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AD/BEA 121/29 - Aircraft Fatigue Life

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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 Beagle B121 (Pup) Series Aeroplanes

AD/BEA 121/29 Aircraft Fatigue Life 9/95

Applicability: B121 Pup, all models.

Requirement: Retire the airframe from service before exceeding 17900 fatigue hours. Fatigue hours shall be calculated in accordance with Jetstream Alert Service Bulletin B121/101.

Note: CAA(UK) AD 014-03-95 refers.

Compliance: Effective 17 August 1995.

Background: The Beagle Pup has been allocated a mandatory fatigue life by the United Kingdom Civil Aviation Authority.

Source text

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