EASA Regulations for Airbus Helicopters MBB-BK 117

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

EASA AD 2022-0143

SUPERSEDED BY EASA AD 2022-0168

EASA Airworthiness Directive 2022-0143 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH EC135, EC635, MBB-BK117, Airbus Helicopters EC 175 B, and H160-B helicopters. The directive addresses design deficiencies in the Integrated Modular Avionics Ethernet network that have caused multiple Multi-Function Display failures. It mandates inspections and corrective actions to ensure continued safe operation of these helicopter models.

Jul 8, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters H160Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters EC635MBB-BK117Airbus Helicopters EC175 BAirbus Helicopters H160-B

EASA AD 2022-0097

Equipment / Furnishings — Instrument Flight Rules Screens — Removal

EASA Airworthiness Directive 2022-0097 is an official regulatory document addressing Airbus Helicopters Deutschland GmbH EC135, EC635, and MBB-BK117 helicopter models. It mandates the removal of specific Instrument Flight Rules (IFR) screens installed on these helicopters to ensure continued airworthiness and flight safety. The directive applies to all variants and serial numbers of the affected helicopter models.

Jun 1, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters EC635MBB-BK117

EASA AD 2022-0086

Rotors Flight Control — Tail Rotor Actuator — Inspection

EASA Airworthiness Directive 2022-0086 is an airworthiness directive addressing the inspection of the tail rotor actuator (TRA) on Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 helicopters. It mandates repetitive inspections of the bolts connecting the cardan-pivot joint with the piston rod of the TRA to detect wear and prevent potential bolt failure. The directive applies to all serial numbers of the MBB-BK117 C-2 helicopter model.

May 13, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2

EASA AD 2022-0077-E

Rotors Flight Control — Flight Control Flexball Cables — Replacement

EASA Airworthiness Directive 2022-0077-E is an emergency directive addressing flight control flexball cables on various Airbus Helicopters models including AS 350, AS 355, EC 130, EC 135, EC 635, and MBB-BK 117 series. The directive identifies specific part numbers and serial numbers of flexball cables that are not compliant with approved design standards. It mandates replacement of these affected parts to ensure continued airworthiness and safe flight control operation.

Apr 29, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters EC 135Airbus Helicopters EC 635

EASA AD 2021-0287

[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.

Jan 26, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117MBB-BK117 C-2MBB-BK117 D-2MBB-BK117 D-3

EASA AD 2021-0290

[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.

Dec 23, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-3Airbus Helicopters MBB-BK117 D-3m

EASA AD 2021-0289-E

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.

Dec 23, 2021
Airworthiness DirectiveFlight OpsSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2Airbus Helicopters MBB-BK117 D3Airbus Helicopters MBB-BK117 D-3m

EASA AD 2021-0231

Equipment / Furnishings — Emergency Flashlight — Replacement

EASA Airworthiness Directive 2021-0231 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 helicopters. It addresses the replacement of emergency flashlights installed on these helicopters due to a safety issue involving restricted collective lever movement caused by the flashlight strap entangling with the cargo hook emergency release lever.

Oct 15, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2

EASA AD 2021-0160

Main Rotor System — Flex Control Unit Bearing Pin — Inspection / Modification

EASA Airworthiness Directive 2021-0160 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 helicopters, including converted MBB-BK117 D-2 models. The directive addresses inspection and modification requirements for the main rotor system's flex control unit bearing pin to prevent potential unsafe conditions.

Jul 5, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-3Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0305R1

Wiring Harness — Cabin Wiring Harness — Inspection

EASA Airworthiness Directive 2019-0305R1 is an updated regulatory document addressing inspection requirements for the wiring harness behind the front passenger panels of Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It mandates inspections and corrective actions to detect and resolve chafing and clearance issues in the cabin wiring harness to prevent potential in-flight hazards.

Jul 2, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2021-0122

Time Limits / Maintenance Checks — Airworthiness Limitation Section — Tension Torsion Straps — Storage Life Limit

EASA Airworthiness Directive 2021-0122 addresses the storage life limits of Tension Torsion (TT) Straps installed on Airbus Helicopters Deutschland GmbH MBB-BK117 helicopter models including A-1, A-3, A-4, B-1, B-2, C-1, C-2, and D-2. The directive focuses on the ageing of elastomeric materials in Bendix and Lord TT-Straps, which may compromise structural integrity and helicopter control. It mandates compliance with storage life limits and removal of certain Bendix TT-Straps to ensure continued airworthiness.

May 6, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 A-1Airbus Helicopters MBB-BK117 A-3Airbus Helicopters MBB-BK117 A-4Airbus Helicopters MBB-BK117 B-1Airbus Helicopters MBB-BK117 B-2Airbus Helicopters MBB-BK117 C-1Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2021-0116

Rotors Flight Control — Co-pilot Collective Lever Wire Harness — Inspection / Modification

EASA Airworthiness Directive 2021-0116 is an airworthiness directive affecting Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters, specifically those with serial numbers up to 20340 inclusive. The directive addresses inspection and modification requirements for the co-pilot collective lever wire harness to prevent potential electrical short circuits caused by incorrect wire routing. This AD mandates inspections, corrective actions, and a modification to improve the wire harness support.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2021-0074

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.

Mar 15, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0257

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.

Nov 17, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0246

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.

Nov 10, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0084

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.

Apr 3, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0064

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.

Mar 19, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 BAirbus Helicopters EC175Airbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117Airbus Helicopters EC 135Airbus Helicopters EC 175Airbus Helicopters SA 365

EASA AD 2020-0013

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.

Jan 29, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Leonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AB204Leonardo S.P.A. Helicopters AB205Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo S.P.A. Helicopters AS-61Leonardo S.P.A. Helicopters AW169Leonardo S.P.A. Helicopters AW189Wsk Pzl-Swidnik PZL W-3AAirbus Helicopters EC 175Airbus Helicopters SA 365Airbus Helicopters EC635Airbus Helicopters MBB-BK117Leonardo AB139Leonardo AB 204Leonardo AB 205Leonardo AB 212Leonardo AB 412Leonardo AS-61Leonardo AW139Leonardo AW169Leonardo AW189WSK PZL – ŚWIDNIK PZL W-3A

EASA AD 2019-0313

SUPERSEDED BY EASA AD 2022-0086

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.

Dec 20, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2

EASA AD 2019-0275

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.

Nov 7, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2