EASA Regulations for MBB-BK117 D-3

5 airworthiness directives and regulations affecting MBB-BK117 D-3.

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

EASA AD 2026-0127

Jun 30, 2026

Main Rotor – Swashplate – Inspection

EASA Airworthiness Directive 2026-0127 is an airworthiness directive addressing the inspection of the main rotor swashplate and its bearing bolts on MBB-BK117 D-3 and D-3m helicopters. It mandates repetitive inspections of the swashplate bolts, specifically those with Part Number D623M2050206, to detect excessive wear that could compromise helicopter control.

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

EASA AD 2026-0109

Jun 8, 2026

Oxygen – Low Pressure Oxygen Hoses – Replacement

EASA Airworthiness Directive 2026-0109 is issued for MBB-BK117 D-2 and D-3 helicopters modified with EASA Supplemental Type Certificate 10051018 up to revision 5. It addresses the replacement of low-pressure oxygen hoses installed in Emergency Medical Service interiors manufactured by Mecaer Aviation Group. The directive mandates replacing specific oxygen hoses and assemblies to prevent potential oxygen leakage.

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

EASA AD 2024-0107

Jun 3, 2024

Equipment / Furnishings — Medical Equipment Support — Inspection

EASA Airworthiness Directive 2024-0107 is an airworthiness directive addressing the inspection of medical equipment support assemblies installed on MBB-BK117 D-2 and D-3 helicopters modified with EASA STC 10051018. The directive targets specific part numbers of the medical equipment support assemblies manufactured by MECAER AVIATION GROUP VIP Interiors to prevent potential detachment during flight. It mandates inspection and corrective actions to ensure continued airworthiness and occupant safety.

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

EASA AD 2022-0228

Nov 28, 2022

Rotors Flight Control — Horizontal Control Rods Bolts — Replacement

EASA Airworthiness Directive 2022-0228 is an airworthiness directive addressing the replacement of horizontal control rod bolts on MBB-BK117 D-3 and D-3m helicopters. The directive applies to bolts with Part Number D671M7051211 that were not subjected to dye penetrant crack inspection during manufacturing. It mandates the replacement of these affected bolts to ensure continued safe operation of the helicopters.

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

EASA AD 2021-0287

Jan 26, 2022

[Correction] Equipment / Furnishings — Seat Belt Restraint System — Inspection

EASA Airworthiness Directive 2021-0287 is a correction issued by the European Union Aviation Safety Agency concerning the inspection of seat belt restraint systems installed on MBB-BK117 C-2, D-2, and D-3 helicopters modified with EASA Supplemental Type Certificates 10038915 or 10055175. The directive addresses potential incorrect installation of seat belt systems on pilot, co-pilot, and passenger seats supplied by Mecaer Aviation Group. It mandates a one-time inspection and corrective actions to ensure the proper functioning of safety belts.

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