AD/DC4/31 - Propeller Feathering System - Modification

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

Legislation au F2006B08838 In force Legislative Instrument

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Douglas DC4 Series Aeroplanes

 

AD/DC4/31 Propeller Feathering System - Modification NK

Applicability: All models.

 

Requirement: Replace the existing flexible hose components of the propeller feathering lines forward of the firewall with hose assemblies having greater fire resistance. The following hose assemblies are acceptable for this application:

 

Resistoflex P/N SSFR-3800-10 Aeroquip P/N 304000 (680-10S with 304 sleeves over end fittings) Aeroquip P/N 309009-10S or -8S; or

 

Note: Flexible hose assemblies located forward of the cylinders and connecting to the governor are not affected by this Order.

 

FAA AD 55-15-3; or ANO 105.1.16.2.5.31.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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.