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EASA Regulations for Airbus Helicopters BO 105

7 airworthiness directives and regulations affecting Airbus Helicopters BO 105.

EASA AD 2025-0217

Rotors Flight Control — Fork Lever — Inspection

EASA Airworthiness Directive 2025-0217 is an airworthiness directive addressing the inspection of the rotors flight control fork lever on Airbus Helicopters Deutschland GmbH BO105 and MBB-BK117 helicopter models. It mandates a one-time inspection of the fork lever part numbers 105-42122.01, 117-421221.01, and 117-421231.02 to detect cracks that could lead to part failure and potential loss of helicopter control.

Oct 1, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters BO 105

EASA AD US-2024-20-07

Equipment / Furnishings - Emergency Float Kit Activation Handle - Repetitive Inspections / Replacement

The document titled 'Equipment / Furnishings - Emergency Float Kit Activation Handle - Repetitive Inspections / Replacement' is a regulatory directive addressing the maintenance requirements for the emergency float kit activation handle on certain aircraft. It mandates repetitive inspections and replacement procedures to ensure the proper functioning of this critical safety equipment. The directive applies to aircraft equipped with the specified emergency float kit activation handle assemblies.

Nov 29, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters BO 105Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Bell 206Bell 407Bell Textron Inc. (Bti) 210Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Md Helicopters Inc (Mdhi) 369Md Helicopters Inc (Mdhi) 500NRobinson R44 (Raven)Robinson R66Sikorsky S-76

EASA AD 2021-0142

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2021-0142 is an amendment addressing time limits and maintenance checks in the Airworthiness Limitations Section for Airbus Helicopters Deutschland BO105 series helicopters, including variants BO105 A, C, D, S, LS A-1, and LS A-3 (including the 'Superlifter' modification). It mandates compliance with updated life limits and maintenance requirements for critical components such as Bendix and Lord tension-torsion (TT) straps. The directive ensures continued airworthiness by enforcing the latest approved maintenance manual revisions.

Jun 17, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters BO 105Airbus Helicopters BO105

EASA AD 2019-0024

SUPERSEDED BY EASA AD 2021-0142

EASA Airworthiness Directive 2019-0024 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH BO105 helicopter models including BO105 A, C, D, S, and LS A-3 variants. The directive addresses the storage life limits and service life of specific Bendix and Lord Tension Torsion (TT) straps used in these helicopters to ensure continued airworthiness and safety.

Feb 4, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters BO 105Airbus Helicopters BO105

EASA AD 2016-0142R1

Main Rotor — Swashplate Assembly — Replacement / Inspection

EASA Airworthiness Directive 2016-0142R1 is a regulatory document addressing the replacement and inspection of the main rotor swashplate assembly on Airbus Helicopters Deutschland GmbH MBB-BK 117 and BO105 helicopter models. It applies to all serial numbers of MBB-BK117 A-1 through C-2e variants and BO105 A through LS A-3 variants, including STC-modified 'Superlifter' versions. The directive focuses on ensuring the integrity of swashplate bellows clamps and bellows to prevent loss of control due to clamp failure.

Apr 12, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters BO 105Airbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117Airbus Helicopters BO105

EASA AD CF-1997-18R1

CANCELLED: Main Rotor System — Cracking of Rotor Mast

The document titled CANCELLED: Main Rotor System — Cracking of Rotor Mast is a Canadian Airworthiness Directive (CF-97-18) issued by Transport Canada. It applies to all Eurocopter Canada Ltd. BO 105LS A-3 model helicopters and addresses critical cracking found on the main rotor mast flange. The directive mandates repetitive visual inspections to detect cracks to ensure continued airworthiness.

Mar 14, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters BO 105Eurocopter Canada Ltd. BO 105LS A-3