EASA Regulations for Airbus Helicopters MBB-BK 117

63 airworthiness directives and regulations affecting Airbus Helicopters MBB-BK 117.

EASA AD 2021-0074

Mar 15, 2021

Rotors Flight Control — Collective Bellcrank — Inspection

EASA Airworthiness Directive 2021-0074 is an airworthiness directive addressing the inspection of the collective bellcrank on Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It applies to collective bellcrank parts with part numbers B670M7021101, B670M7021102, and D671M7008101. The directive mandates inspection and corrective actions to ensure proper installation and marking of the affected parts to maintain safe rotor flight control.

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

EASA AD 2020-0257

Nov 17, 2020

Rotors Flight Control — Main Rotor Actuator — Inspection

EASA Airworthiness Directive 2020-0257 is an airworthiness directive addressing the main rotor actuator (MRA) inspection on Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It mandates repetitive inspections of specific main rotor actuators with part numbers B673M30A1002 or D673M30A1003 to detect cracks or damage in the piston nuts. The directive aims to ensure continued safe flight control by preventing potential loss of helicopter control.

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

EASA AD 2020-0246

Nov 10, 2020

Wiring Harness — Lateral Control Rod Wiring — Inspection

EASA Airworthiness Directive 2020-0246 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters, specifically all serial numbers up to 20334 inclusive except for a few listed exceptions. The directive mandates inspection of the wiring harness near the lateral control rod to detect chafing and clearance issues. It also requires updating the Aircraft Maintenance Programme to include ongoing inspection tasks.

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

EASA AD 2020-0084

Apr 3, 2020

Rotors Flight Control — Collective Lever Switch Unit — Inspection

EASA Airworthiness Directive 2020-0084 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It mandates inspection of the collective lever switch units identified by specific part numbers and serial numbers to ensure the retaining rings of the cable cut switch guard are present and secure. The directive addresses a potential safety issue related to inadvertent activation of the rescue hoist cable cut function.

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

EASA AD 2020-0064

Mar 19, 2020

Equipment / Furnishings — Emergency Flotation System / Inflation Hoses — Inspection

EASA Airworthiness Directive 2020-0064 is an airworthiness directive addressing the inspection of emergency flotation systems and inflation hoses installed on various Airbus Helicopters models including MBB-BK117, EC 135, EC 120 B, EC 175, AS 332, AS 350, EC 130, AS 355, SA 365, AS 365, and EC 155 helicopters. The directive mandates inspection and possible replacement of affected float supply hoses to ensure proper inflation of emergency flotation devices. It applies to specific part numbers and serial numbers as detailed in the associated service bulletins.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175
  • Airbus Helicopters SA 330
  • Airbus Helicopters AS 332
  • Airbus Helicopters EC 225
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117
  • Airbus Helicopters EC 135
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365

EASA AD 2020-0013

Jan 29, 2020

Fire Protection — Hand-held Fire Extinguishers — Replacement

EASA Airworthiness Directive 2020-0013 is an airworthiness directive addressing fire protection on various Airbus Helicopters, Leonardo, and WSK PZL – ŚWIDNIK helicopter models. It specifically targets the replacement of certain umlaut engineering GmbH Halon-free hand-held fire extinguishers with manufacturing defects that could render them inoperative. The affected helicopter models include AS 332, AS 365, EC 155, EC 175, EC 225, SA 330, SA 365, EC135, EC635, MBB-BK117, AB139, AB 204, AB 205, AB 212, AB 412, AS-61, AW139, AW169, AW189, and PZL W-3A series helicopters.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters SA 330
  • Airbus Helicopters AS 332
  • Airbus Helicopters EC 225
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AB204
  • Leonardo S.P.A. Helicopters AB205
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo S.P.A. Helicopters AS-61
  • Leonardo S.P.A. Helicopters AW169
  • Leonardo S.P.A. Helicopters AW189
  • Wsk Pzl-Swidnik PZL W-3A
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC635
  • Airbus Helicopters MBB-BK117
  • Leonardo AB139
  • Leonardo AB 204
  • Leonardo AB 205
  • Leonardo AB 212
  • Leonardo AB 412
  • Leonardo AS-61
  • Leonardo AW139
  • Leonardo AW169
  • Leonardo AW189
  • WSK PZL – ŚWIDNIK PZL W-3A

EASA AD 2019-0313

Dec 20, 2019

Rotors Flight Control – Tail Rotor Actuator – Inspection

EASA Airworthiness Directive 2019-0313 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all serial numbers of the MBB-BK117 C-2 helicopters manufactured by Airbus Helicopters Deutschland GmbH. The directive addresses the inspection and maintenance of the tail rotor actuator assembly, specifically focusing on bolts connecting the cardan-pivot joint with the piston rod, to prevent potential bolt failure. This AD mandates repetitive inspections and corrective actions to ensure continued airworthiness and safety of the affected helicopters.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 C-2

EASA AD 2019-0275

Nov 7, 2019

Power Plant — Engine Mount Bushings — Inspection / Replacement

EASA Airworthiness Directive 2019-0275 is an official regulatory document addressing inspection and replacement requirements for engine mount bushings on Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It applies to all serial numbers of this helicopter model and focuses on both elastomeric and metal engine mount bushings identified by specific part numbers. The directive mandates repetitive inspections and corrective actions to prevent potential engine mount failures.

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

EASA AD 2019-0258

Oct 18, 2019

Tail Rotor Drive — Titanium Bolts — Inspection / Replacement

EASA Airworthiness Directive 2019-0258 is an airworthiness directive addressing the inspection and replacement of titanium bolts, part number EN3740-060022F, installed on the tail rotor drive of Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. The directive requires a one-time inspection of these titanium bolts for potential defects due to improper heat treatment that could lead to hydrogen embrittlement. It applies to all serial numbers of the MBB-BK117 D-2 helicopter model.

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

EASA AD US-2019-10-51

Sep 12, 2019

Fuselage - Fuselage Frame - Inspection

Federal Register Volume 84, Number 171 (September 4, 2019) Final Rule Airworthiness Directive 2019-10-51 addresses all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 helicopters. This directive mandates inspection of the fuselage frame for fatigue cracks and prohibits installation of certain recessed medical wall components installed under Supplemental Type Certificate SR00592DE. The directive aims to mitigate risks of structural failure due to reported cracks in the fuselage frame.

Airworthiness Directive
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK 117 C-2

EASA AD 2019-0208

Aug 22, 2019

Integrated Modular Avionics — Aircraft Management Computer Software — Update

EASA Airworthiness Directive 2019-0208 is an update concerning the Aircraft Management Computer software for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It addresses a software issue in the Integrated Modular Avionics system that caused erroneous low rotor RPM indications during One Engine Inoperative conditions. This directive applies to all serial numbers of the MBB-BK117 D-2 helicopter model.

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

EASA AD 2019-0198

Aug 15, 2019

Flight Controls — Wiring Harness — Modification

EASA Airworthiness Directive 2019-0198 is an airworthiness directive addressing wiring harness modifications for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It targets specific wire harness trim connector backshells with part number M85049/90-13W02 manufactured by AMPHENOL or of unknown manufacturer. The directive aims to prevent potential short circuits in yaw and pitch trim actuators that could lead to loss of helicopter control.

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

EASA AD 2019-0030

Feb 13, 2019

Power Plant – Engine Mount Bushings – Inspection / Replacement

EASA Airworthiness Directive 2019-0030 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It addresses the inspection and replacement of engine mount bushings, specifically part number 105-60386, to prevent potential failure of engine mount front support pins. This directive mandates inspections and replacement with serviceable parts to ensure continued safe operation of affected helicopters.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 D-2

EASA AD 2018-0283

Dec 20, 2018

Rotors Flight Control – Main Rotor Actuator – Inspection

EASA Airworthiness Directive 2018-0283 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It addresses a safety issue related to the main rotor actuator (MRA) parts with part numbers B673M30A1002 and D673M30A1003. The directive mandates inspection and reporting requirements to ensure continued safe operation of these helicopters.

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

EASA PAD 18-139

Dec 13, 2018

WITHDRAWN - EXPLANATORY STATEMENT ATTACHED

EASA Withdrawal Statement for Proposed AD 18-139 announces the withdrawal of the proposed airworthiness directive concerning Airbus Helicopters BK117 D-2 and D-2m models equipped with Helionix Step 2 avionics. The withdrawal follows Airbus Helicopters' publication of Temporary Revision 3 to the Rotorcraft Flight Manual, which amended night operation procedures and restored an acceptable safety level. A modification application submitted by Airbus Helicopters is expected to provide a final fix for the identified unsafe condition.

Proposed AD
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters BK117 D-2
  • Airbus Helicopters BK117 D-2m

EASA AD 2018-0230

Oct 23, 2018

Integrated Modular Avionics – Aircraft Management Computer Software – Modification

EASA Airworthiness Directive 2018-0230 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It addresses issues related to the Aircraft Management Computer software versions V5.0.2 and earlier, focusing on the integrated modular avionics and autopilot cruise height mode. The directive mandates software updates and flight manual amendments to ensure safe helicopter operation.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117 D-2

EASA AD 2018-0225-E

Oct 18, 2018

Equipment & Furnishings — Hook Mount Assembly — Inspection

EASA Airworthiness Directive 2018-0225-E is an emergency directive addressing the inspection of the hook mount assembly on Goodrich rescue hoists, Part Number 44301-10-7, installed on MBB-BK117 C-2 and D-2 helicopters. The directive mandates a one-time inspection and possible replacement of the hook mount assembly to ensure correct assembly and safe operation. It applies to all serial numbers of the affected helicopter models.

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

EASA AD 2018-0163

Jul 25, 2018

Rotorcraft Flight Controls – Co-pilot Collective Lever Wire Harness – Inspection

EASA Airworthiness Directive 2018-0163 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK 117 D-2 helicopters. It mandates inspection of the co-pilot collective lever wire harness and its routing to detect and correct any chafing or incorrect routing that could cause electrical short circuits and uncommanded system activations.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK 117 D-2

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 2011-0168R1

Mar 23, 2018

Lights — Instrument Lighting Display Brightness — Modification

EASA Airworthiness Directive 2011-0168R1 is a regulatory update addressing instrument lighting display brightness issues on Airbus Helicopters Deutschland GmbH EC 135, EC 635, and MBB-BK117 C-2 helicopters equipped with optional night vision goggle (NVG) systems. The directive mandates modifications to the electrical wiring in the overhead panel to prevent overheating of diodes in the NVG system, which can cause sudden maximum brightness of critical flight displays. This AD ensures continued safe operation by correcting a lighting system fault that could impair pilot visibility.

Airworthiness Directive
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters EC 135
  • Airbus Helicopters EC 635
  • Airbus Helicopters MBB-BK117 C-2