EASA Regulations for MBB-BK117 D-3m

2 airworthiness directives and regulations affecting MBB-BK117 D-3m.

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New ADs and bulletins for MBB-BK117 D-3m, 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 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