Commonwealth legislation

AD/ENG/6 Amdt 1 - Propeller Strike

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

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Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This Airworthiness Directive requires immediate engine inspection after any propeller strike on piston-engine aircraft. Operators and maintenance personnel must ground the aircraft if the engine experienced abnormal forces (sudden stoppage or propeller bending) and may not return it to service until it has been disassembled, inspected, reassembled, and tested per the engine maker’s instructions. Consult the manufacturer or an authorised aviation engineer if damage is uncertain.

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AD/ENG/6 Amdt 1 - Propeller Strike

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Engines - General

AD/ENG/6

Amdt 1

Propeller Strike 1/94

Applicability: All piston engines which have had a propeller strike.

Requirement: Following a propeller strike, the aircraft shall be inspected to determine whether the engine has been subjected to abnormal loads and stresses which may have caused engine external and/or internal mechanical damage.

An engine, which has been subjected to a sudden stoppage and/or propeller damage to an extent where significant bending or torsional load may have occurred, shall be considered to have been subjected to abnormal loads and stresses and shall be removed from service. The engine shall only be returned to service following the disassembly, inspection, assembly and test of the engine in accordance with the engine manufacturer's published data.

Note: Where there is doubt concerning any likely secondary damage which may have been sustained, when considering the circumstances of the incident, advice may be obtained from the manufacturer or an appropriate CAR 35 authorised person.

Compliance: Effective 6 January 1994: Prior to further flight.

Background: This Directive details the action required following a propeller strike event. The Directive has been amended to clarify the inspection requirements, and to delete reference to a cancelled document, CAO 100.5.1.

Source text

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

1 AD/ENG/6 Amdt 1 - Propeller Strike