Commonwealth legislation

AD/PDH/6 - Bracket Type Propellers - Modification

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Commonwealth

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legislative instrument

Plain English Summary

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This directive makes a specific De Havilland modification (MNS No. 81 / Modification 5226) mandatory for listed De Havilland variable‑pitch bracket‑type propellers (PD28/51/92/136/170/175). It affects aircraft owners/operators and the maintenance organisations that overhaul or install those propellers.

Each affected propeller must have the referenced modification applied before it is installed following its next overhaul completed on or after 15 July 1967; implementers must obtain and follow the De Havilland document.

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AD/PDH/6 - Bracket Type Propellers - Modification

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Propellers - Variable Pitch - De Havilland

AD/PDH/6 Bracket Type Propellers - Modification 6/67

Applicability: All model PD28/212/1, PD51/212/1, PD92/212/1, PD136/212 /1, PD170/212/1 and PD175/212/1 propellers.

Document: DeHavilland MNS No. 81 (Modification 5226).

Compliance: Before installation in an aircraft following next overhaul completed after 15 July 1967.

Source text

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