Commonwealth legislation

AD/SUPP/4 - Air Equipment Rescue Hoist - Inspection and Modification of Squib

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive obliges operators of specific Air Equipment Rescue Hoists (P/N 76370, 76370-010, 76370-020 and 76375) to inspect and modify the pyrotechnical shearing device (squib) following the manufacturer’s Service Bulletins, or—if not modified—carry a hand cable cutter that ensures a positive quick cable cut (Requirements 1–3). It responds to reported defects that could render the squib inoperative and imposes fixed deadlines: the modifications before 1 October 1982 and the cutter before using the hoist.

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AD/SUPP/4 - Air Equipment Rescue Hoist - Inspection and Modification of Squib

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Supplementary Equipment

AD/SUPP/4 Air Equipment Rescue Hoist - Inspection

and Modification of Squib

10/82

Applicability: Air Equipment Rescue Hoists P/Nos. 76370, 76370-010, 76370-020 and 76375.

Note: These hoists may be installed on (but not limited to) the following helicopters:- Aerospatiale SA 341, SA 342, 3160, 316, 319, AS350, AS 355, SA 360C, SA 365C and SA 365N.

Requirement: 1. Inspect and modify hoists P/Nos. 76370, 76370-010 and 76370-020 in accordance with Air Equipment Service Bulletin 25-62-0C Rev. 1 or later approved revisions.

2. Inspect and modify hoist P/No. 76375 in accordance with Air Equipment Service Bulletin 25-69-0B Rev. 1 or later approved revisions.

3. For hoists not modified in accordance with paras. 1 and 2 provide a hand cable cutter capable of ensuring a positive quick cable cut.

Compliance: For Paras. 1 and 2 - Before 1 October 1982. For Para. 3 - Before operation of the hoist.

Background: There have been several reported overseas defects which could cause the pyrotechnical shearing device to become inoperative.

Source text

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

1 AD/SUPP/4 - Air Equipment Rescue Hoist - Inspection and Modification of Squib