EASA Regulations for Airbus Helicopters MBB-BK117 D-3m

6 airworthiness directives and regulations affecting Airbus Helicopters MBB-BK117 D-3m.

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New ADs and bulletins for Airbus Helicopters MBB-BK117 D-3m, summarized like the ones below, every Monday.

EASA AD 2026-0151

Jul 30, 2026

Main Rotor Drive – Rotor Hub-Shaft – Inspection

EASA Airworthiness Directive 2026-0151 is an official safety directive addressing the inspection of the main rotor drive rotor hub-shaft on Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 and D-3m helicopters. The directive mandates visual and eddy current inspections of specific rotor hub-shaft parts (MP/N D623M1501203 and D623M1501204) to detect cracks that could lead to main rotor transmission failure. This AD applies to all serial numbers of the affected helicopter models.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 D-3
  • Airbus Helicopters MBB-BK117 D-3m

EASA AD 2023-0213

Dec 8, 2023

Equipment / Furnishings — Hook Damper — Modification

EASA Airworthiness Directive 2023-0213 is an airworthiness directive addressing Airbus Helicopters Deutschland GmbH MBB-BK117 C-2, D-2, D-3, and D-3m helicopters. It focuses on the hook damper assemblies involving forged D-LOK and Slide-LOK hoist hooks and specific hook dampers and nuts. The directive mandates inspection and modification procedures to ensure safe operation of the affected hoist hook assemblies.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 C-2
  • Airbus Helicopters MBB-BK117 D-2
  • Airbus Helicopters MBB-BK117 D-3
  • Airbus Helicopters MBB-BK117 D-3m

EASA AD 2023-0175

Oct 5, 2023

ATA — Rotorcraft Flight Manual — Altitude Correction — Amendment ATA 21 — Air Conditioning — Cooling System — Modification

EASA Airworthiness Directive 2023-0175 is an amendment addressing altitude correction procedures and air conditioning system modifications for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2, D-2m, D-3, and D-3m helicopters. The directive mandates changes to the Rotorcraft Flight Manual Supplement and replacement of specific condenser outlet grids with covers to correct airspeed and altitude indication errors. It applies to all serial numbers of the affected helicopter models.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 D-2
  • Airbus Helicopters MBB-BK117 D-2m
  • Airbus Helicopters MBB-BK117 D-3
  • Airbus Helicopters MBB-BK117 D-3m

EASA AD 2022-0208

Oct 11, 2022

Rotorcraft Flight Manual — Emergency and Malfunction Procedures — Amendment

EASA Airworthiness Directive 2022-0208 is an amendment concerning the Rotorcraft Flight Manual emergency and malfunction procedures for Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 and D-3m helicopters, specifically serial numbers 20070, 21016 and up. The directive mandates updates to the flight manual to address potential DC power interruptions affecting essential busses during flight. This amendment applies to helicopters with TCDS number EASA.R.010 and involves updated emergency procedures to enhance flight safety.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 D-3
  • Airbus Helicopters MBB-BK117 D-3m

EASA AD 2021-0290

Dec 23, 2021

[Correction] Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2021-0290 is a correction issued on 23 December 2021 concerning Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 and D-3m helicopters. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Airworthiness Limitations Section (ALS) to ensure continued airworthiness. The directive applies to all serial numbers of the affected helicopter models.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 D-3
  • Airbus Helicopters MBB-BK117 D-3m

EASA AD 2021-0289-E

Dec 23, 2021

Rotorcraft Flight Manual / Section 2 and 3 — Amendment

EASA Airworthiness Directive 2021-0289-E is an emergency directive addressing Airbus Helicopters Deutschland GmbH MBB-BK117 C-2, D-2, D3, and D-3m helicopters of all variants and serial numbers. It mandates amendments to the Rotorcraft Flight Manual (RFM) Sections 2 and 3 to incorporate temporary revisions related to the inlet barrier filter (IBF) system. The directive aims to mitigate engine flame out risks caused by partial icing of the IBF engine intakes during operations in falling snow.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 C-2
  • Airbus Helicopters MBB-BK117 D-2
  • Airbus Helicopters MBB-BK117 D3
  • Airbus Helicopters MBB-BK117 D-3m