Commonwealth legislation

AD/BELL 206/121 - Tail Rotor Blade Assembly

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD requires owners/operators of Bell/Agusta‑Bell 206 helicopters to check the tail‑rotor blade assembly part and serial numbers and to remove and replace any assembly with P/N 206-016-201-113 or P/N 206-016-201-127 if its serial number appears on the listed set (Requirement).

Compliance is mandatory prior to further flight after 26 June 1990; operators pay for replacement and face grounding/downtime. The AD follows FAA advice that these blades are life‑expired and may have been represented as overhauled using falsified documentation (Compliance; Background).

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/BELL 206/121 - Tail Rotor Blade Assembly.

AD/BELL 206/121 - Tail Rotor Blade Assembly

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source
Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters

AD/BELL206/121 Tail Rotor Blade Assembly 9/90

Applicability: All models.

Requirement: 1. Determine the part number and serial number of the tail rotor blade assembly installed on the helicopter.

If the tail rotor blade assembly installed is P/N 206-016-201-113 or P/N 206-016- 201-127 and is identified with any serial number listed below, remove and replace the blade assembly.

T-41361	T-41627	T-41725
T-41737	T-42088	T-42127
T-42157	T-42307	T-42311
T-42316	T-42494	T-42496
T-42497	T-42502	T-42523
T-42534	T-43276	T-44089
T-44120	T-44157	T-44174
T -44222	T-44300	T-44638

Note: FAA Emergency AD 90-13-01 refers.

Compliance: Prior to further flight after 26 June 1990.

Background: The FAA has listed the blades above as being life expired. They may have been represented as airworthy newly overhauled blades using falsified documentation.

Source text

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

1 AD/BELL 206/121 - Tail Rotor Blade Assembly