Commonwealth legislation

AD/DAUPHIN/33 - Lucas Air Equipment Hoist - Explosive Squib

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This Act has been repealed and is no longer in force. It is retained for historical reference.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 is a safety order (Airworthiness Directive) requiring helicopter operators to inspect the emergency wiring on rescue hoists.

What it does:

Mandates checks on the explosive squib (a small pyrotechnic device used to drop the hoist cable in emergencies) fitted to specific Lucas Air Equipment hoists
Ensures the squib is correctly wired so it will fire properly when needed

Who it affects:

Operators of Eurocopter SA 360 and SA 365 (Dauphin) helicopters
Only those fitted with Lucas hoists part number 76375 (all serial numbers) or part number 76378 (serial numbers 266 and below)

What must be done:

For hoists already on aircraft: Inspect and fix wiring before the first hoisting mission after 12 November 1992, but no later than 31 December 1992
For spare hoists: Inspect before installing them on any aircraft
Follow the technical instructions in Aerospatiale Telex No 10275/INF/343/55

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/DAUPHIN/33 - Lucas Air Equipment Hoist - Explosive Squib.

AD/DAUPHIN/33 - Lucas Air Equipment Hoist - Explosive Squib

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source
Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters

AD/DAUPHIN/33 Lucas Air Equipment Hoist - Explosive Squib 12/92

Applicability: All Dauphin series helicopters, listed in the Requirement Document, fitted with Lucas Air Equipment hoist part number 76375 (all models) all serial numbers or part number 76378 (all models) with serial numbers up to and including 266.

Requirement: Action in accordance with Aerospatiale Telex No 10275/INF/343/55 dated 23 December 1991 (Telex Service No 01.29 and No 01.36).

Compliance: Installed Hoists - Prior to the first hoisting mission after 12 November 1992, where a pyrotechnic squib is installed (AD/SUPP/12 refers), but no later than 31 December 1992.

Spare Hoists - Prior to installation.

Background: Eurocopter have advised that the possibility exists that the hoist squib may be incorrectly connected. Compliance with this Directive is necessary to ensure that the pyrotechnic squib will fire correctly when required.

Source text

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

1 AD/DAUPHIN/33 - Lucas Air Equipment Hoist - Explosive Squib