Commonwealth legislation

AD/AS 355/5 - Upper Fin Attachment Fitting - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Operators and maintenance organisations of Eurocopter AS 355 helicopters not modified per AMS 350A07.1047 (SB No. 55.02) must inspect the upper fin attachment fitting every 10 hours TIS using Aerospatiale Service Bulletin No. 05.03. The rule addresses an airworthiness concern; installing SB 55.02’s modification terminates the recurring inspections, leaving operators to weigh frequent inspection costs and downtime versus a one‑time modification expense.

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AD/AS 355/5 - Upper Fin Attachment Fitting - Inspection

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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 Eurocopter AS 355 (Twin Ecureuil) Series Helicopters

AD/AS 355/5 Upper Fin Attachment Fitting - Inspection 10/82

Applicability: All model AS 355 not modified in accordance with AMS 350A07.1047 (SB No.

55.02).

Requirement: Action in accordance with Aerospatiale SB No. 05.03.

Note: Bureau Veritas AD 82-99-6(B) refers.

Compliance: Within 10 hours time in service after 1 September 1982 and thereafter at intervals not exceeding 10 hours time in service.

Background: Modification in accordance with SB 55.02 provides terminating action for the mandatory repeat inspection.

Source text

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