Commonwealth legislation

AD/S-76/41 - Emergency Flotation System

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This directive mandates safety fixes for emergency flotation systems on Sikorsky S-76 helicopters to prevent drowning during water landings.

The problem: The fabric coating on specific emergency floats (part numbers 76251-01101 and 76251-01102 series) can peel away (delaminate) and the seams can split apart. If this happens, the floats may fail to inflate properly when a helicopter lands on water.

Who must act: Anyone operating Sikorsky S-76 helicopters with these flotation systems installed.

What must be done: Operators must follow the manufacturer's Alert Service Bulletin 76-32-19, which contains the specific technical instructions for inspecting, repairing, or replacing the defective floats. The bulletin is incorporated by reference, meaning its technical requirements become legally binding.

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AD/S-76/41 - Emergency Flotation System

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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 Sikorsky S-76 Series Helicopters

AD/S-76/41 Emergency Flotation System 11/85 TX

Applicability: All installed S-76 nose and main emergency floats P/Nos 76251-01101 Series and 76251-01102 series.

Requirement: Action in accordance with Sikorsky Alert SB 76-32-19. Compliance: As per Requirement Document.

Background: The manufacturer report instances of float fabric coating delamination and separation of seams.

Source text

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