EASA Regulations for Airbus Helicopters BO 105

8 airworthiness directives and regulations affecting Airbus Helicopters BO 105.

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New ADs and bulletins for Airbus Helicopters BO 105, summarized like the ones below, every Monday.

EASA AD 2025-0217

Oct 1, 2025

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.

Airworthiness Directive
  • Airbus Helicopters BO 105

EASA AD US-2024-20-07

Nov 29, 2024

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters BO 105
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Bell 206
  • Bell 407
  • Bell Textron Inc. (Bti) 210
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 412
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Md Helicopters Inc (Mdhi) 369
  • Md Helicopters Inc (Mdhi) 500N
  • Robinson R44 (Raven)
  • Robinson R66
  • Sikorsky S-76

EASA AD 2023-0006-E

Jan 12, 2023

Main Rotor — Swashplate Assembly — Inspection

EASA Airworthiness Directive 2023-0006-E is an emergency directive addressing the inspection of the main rotor swashplate assembly on Airbus Helicopters Deutschland GmbH MBB-BK117 and BO105 helicopter models. It applies to all variants and serial numbers of BO105 A, C, D, S, LS A-1, LS A-3 (including 'Superlifter' STC-modified versions), and MBB-BK117 A-1 through D-2 helicopters. The directive mandates inspection of specific swashplate parts identified by multiple part numbers to ensure the proper installation of the inner ring.

Airworthiness Directive
  • Airbus Helicopters BO 105
  • Airbus Helicopters BO105
  • Airbus Helicopters MBB-BK117

EASA AD 2021-0142

Jun 17, 2021

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.

Airworthiness Directive
  • Airbus Helicopters BO 105
  • Airbus Helicopters BO105

EASA AD 2019-0024

Feb 4, 2019

Airworthiness Limitation Section – TT-Straps – Storage Life Limit

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters BO 105
  • Airbus Helicopters BO105

EASA AD 2016-0142R1

Apr 12, 2018

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.

Airworthiness Directive
  • Airbus Helicopters BO 105
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117
  • Airbus Helicopters BO105

EASA AD CF-1997-18R1

Mar 14, 2018

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.

Airworthiness Directive
  • Airbus Helicopters BO 105
  • Eurocopter Canada Ltd. BO 105LS A-3