AD/PHS/9 - Model 54H60 Pitch Lock Regulator Assembly - Inspection and Modification

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B06202 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Propellers - Variable Pitch - Hamilton Standard

 

AD/PHS/9  Model 54H60 Pitch Lock Regulator Assembly - Inspection and Modification

Applicability: Propeller models 54H60-81, 91, 117, 125. Document:  Hamilton Standard SB 54H60, No.-59 Rev. 1.

Note: FAA AD 75-03-05 refers.

 

Compliance: In accordance with the requirement document.

 

Background:  To reduce the possibility of separation of the pitchlock extension sleeve, modifications are introduced to the retention thread and surge valve housing.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.