EASA Regulations for Airbus Helicopters MBB-BK117 C-2

11 airworthiness directives and regulations affecting Airbus Helicopters MBB-BK117 C-2.

EASA AD 2024-0131

Main Rotor — Control Rod Assembly / Pitch Link Assembly — Inspection

EASA Airworthiness Directive 2024-0131 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It mandates inspection of the main rotor control rod assembly and pitch link assembly, specifically parts with certain part numbers, to detect wear in spherical bearings that could affect rotor blade pitch and control.

Jul 8, 2024

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2023-0213

Equipment / Furnishings — Hook Damper — Modification

EASA Airworthiness Directive 2023-0213 is an airworthiness directive addressing Airbus Helicopters Deutschland GmbH MBB-BK117 C-2, D-2, D-3, and D-3m helicopters. It focuses on the hook damper assemblies involving forged D-LOK and Slide-LOK hoist hooks and specific hook dampers and nuts. The directive mandates inspection and modification procedures to ensure safe operation of the affected hoist hook assemblies.

Dec 8, 2023

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2Airbus Helicopters MBB-BK117 D-3Airbus Helicopters MBB-BK117 D-3m

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 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 2021-0122

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 2021-0074

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 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 2018-0283

SUPERSEDED BY EASA AD 2020-0257

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.

Dec 20, 2018

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2011-0168R1

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.

Mar 23, 2018

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters EC 135Airbus Helicopters EC 635Airbus Helicopters MBB-BK117 C-2