EASA Regulations for MD Helicopters 369

2 airworthiness directives and regulations affecting MD Helicopters 369.

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New ADs and bulletins for MD Helicopters 369, summarized like the ones below, every Monday.

EASA AD US-2026-19-01

Oct 7, 2026

[Correction] Rotorcraft flight control - Torque Tube Assembly and Roller Bearings - Replacement / Inspection

The document titled "[Correction] Rotorcraft flight control - Torque Tube Assembly and Roller Bearings - Replacement / Inspection" is a final rule correction to Airworthiness Directive (AD) 2026-19-01 issued by the Federal Aviation Administration (FAA). It applies to all MD Helicopters, LLC Model 369 series, 500N, and 600N helicopters. The AD mandates repetitive inspections and potential replacement of the torque tube assembly and roller bearings to ensure flight control safety.

Airworthiness Directive
  • Md Helicopters Inc (Mdhi) 369
  • Md Helicopters Inc (Mdhi) 369A
  • Md Helicopters Inc (Mdhi) 369D
  • Md Helicopters Inc (Mdhi) 369E
  • Md Helicopters Inc (Mdhi) 369F
  • Md Helicopters Inc (Mdhi) 369FF
  • Md Helicopters Inc (Mdhi) 369H
  • Md Helicopters Inc (Mdhi) 369HE
  • Md Helicopters Inc (Mdhi) 369HM
  • Md Helicopters Inc (Mdhi) 369HS
  • Md Helicopters Inc (Mdhi) 500N
  • Md Helicopters Inc (Mdhi) 600N
  • MD Helicopters 369
  • MD Helicopters 500N
  • MD Helicopters 600N

EASA SIB 2010-01R1

Feb 5, 2010

Failure of compressor adapter couplings in Rolls-Royce Corporation (RRC) Model 250-C20, -C20B, -C20F, -C20J, -C20S, -C20W and —B17 series turboprop and turboshaft engines

EASA Safety Information Bulletin (SIB) No. 2010-01R1 addresses the failure of compressor adapter couplings in Rolls-Royce Corporation Model 250-C20, -C20B, -C20F, -C20J, -C20S, -C20W, and -B17 series turboprop and turboshaft engines. These engines are installed on various helicopters including Agusta A109 series, Bell 206 series, Enstrom 480 series, Eurocopter AS355 and BO-105 series, MD Helicopters 369 series, Schweizer 269D, and fixed-wing aircraft such as the Britten-Norman BN-2T. The bulletin highlights safety concerns following multiple failures and related FAA Airworthiness Directive 2004-26-09.

Safety Information Bulletin
  • Agusta A109
  • Bell 206
  • Enstrom 480
  • Eurocopter AS355
  • Eurocopter BO-105
  • MD Helicopters 369
  • Schweizer 269D
  • Britten-Norman BN-2T