Commonwealth legislation

AD/BO 105/22 - Main Rotor Mast Flange

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

What this is: A safety order (Airworthiness Directive) requiring helicopter operators to inspect the main rotor mast flange on specific Eurocopter BO 105 LS A-3 helicopters.

The safety issue: Cracks have been discovered in the metal flange that connects the main rotor to the helicopter body. If this component fails during flight, the rotor could detach, causing a catastrophic accident.

What you must do: Follow the inspection and maintenance instructions in the Canadian safety document Transport Canada AD CF-97-18. You must complete these checks every 100 hours of flight time.

Who must comply: Owners and operators of Eurocopter Canada Model BO 105 LS A-3 helicopters operating in Australia.

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/BO 105/22 - Main Rotor Mast Flange.

Eurocopter BO 105 Series Helicopters

AD/BO 105/22	Main Rotor Mast Flange	10/2007

Applicability:	All Eurocopter Canada Model BO 105 LS A-3 helicopters.
Requirement:	Action in accordance with the requirements of Transport Canada AD CF-97-18.Note: Eurocopter Canada Alert Service Bulletin No. ASB-BO 105LS-10-9 refers.
Compliance:	At intervals not to exceed 100 flight hours.
	This Airworthiness Directive becomes effective on 27 September 2007.
Background:	Cracks of critical magnitude have been found on the main rotor mast flange of a Eurocopter Deutschland Model BO 105 helicopter.

View image in the official source
David Villiers
Delegate of the Civil Aviation Safety Authority

13 August 2007

AD/BO 105/22

Main Rotor Mast Flange

10/2007

Source text

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

Eurocopter BO 105 Series Helicopters Eurocopter BO 105 Series Helicopters

Eurocopter BO 105 Series Helicopters

AD/BO 105/22	Main Rotor Mast Flange	10/2007

Applicability:	All Eurocopter Canada Model BO 105 LS A-3 helicopters.
Requirement:	Action in accordance with the requirements of Transport Canada AD CF-97-18.Note: Eurocopter Canada Alert Service Bulletin No. ASB-BO 105LS-10-9 refers.
Compliance:	At intervals not to exceed 100 flight hours.
	This Airworthiness Directive becomes effective on 27 September 2007.
Background:	Cracks of critical magnitude have been found on the main rotor mast flange of a Eurocopter Deutschland Model BO 105 helicopter.

AD/BO 105/22 - Main Rotor Mast Flange

Plain English Summary

Deep dive

Current sections

Eurocopter BO 105 Series Helicopters

Eurocopter BO 105 Series Helicopters

AD/BO 105/22

AD/BO 105/22

Main Rotor Mast Flange

Main Rotor Mast Flange

10/2007

10/2007

Source text

Eurocopter BO 105 Series Helicopters Eurocopter BO 105 Series Helicopters

Eurocopter BO 105 Series Helicopters

AD/BO 105/22 AD/BO 105/22

AD/BO 105/22

Main Rotor Mast Flange Main Rotor Mast Flange

Main Rotor Mast Flange

10/2007 10/2007

10/2007