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EASA Regulations for Airbus Helicopters MBB-BK 117

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

EASA AD US-2024-20-07

Equipment / Furnishings - Emergency Float Kit Activation Handle - Repetitive Inspections / Replacement

The document titled 'Equipment / Furnishings - Emergency Float Kit Activation Handle - Repetitive Inspections / Replacement' is a regulatory directive addressing the maintenance requirements for the emergency float kit activation handle on certain aircraft. It mandates repetitive inspections and replacement procedures to ensure the proper functioning of this critical safety equipment. The directive applies to aircraft equipped with the specified emergency float kit activation handle assemblies.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 120 B
Airbus Helicopters BO 105
Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters MBB-BK 117
Bell 206
Bell 407
Bell Textron Inc. (Bti) 210
Bell Textron Inc. (Bti) 212
Bell Textron Inc. (Bti) 412
Leonardo S.P.A. Helicopters AB212
Leonardo S.P.A. Helicopters AB412
Md Helicopters Inc (Mdhi) 369
Md Helicopters Inc (Mdhi) 500N
Robinson R44 (Raven)
Robinson R66
Sikorsky S-76

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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 C-2
Airbus Helicopters MBB-BK117 D-2

EASA AD 2024-0107

Equipment / Furnishings — Medical Equipment Support — Inspection

EASA Airworthiness Directive 2024-0107 is an airworthiness directive addressing the inspection of medical equipment support assemblies installed on MBB-BK117 D-2 and D-3 helicopters modified with EASA STC 10051018. The directive targets specific part numbers of the medical equipment support assemblies manufactured by MECAER AVIATION GROUP VIP Interiors to prevent potential detachment during flight. It mandates inspection and corrective actions to ensure continued airworthiness and occupant safety.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
MBB-BK117 D-2
MBB-BK117 D-3

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.

Airworthiness Directive

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

EASA AD 2023-0175

ATA — Rotorcraft Flight Manual — Altitude Correction — Amendment ATA 21 — Air Conditioning — Cooling System — Modification

EASA Airworthiness Directive 2023-0175 is an amendment addressing altitude correction procedures and air conditioning system modifications for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2, D-2m, D-3, and D-3m helicopters. The directive mandates changes to the Rotorcraft Flight Manual Supplement and replacement of specific condenser outlet grids with covers to correct airspeed and altitude indication errors. It applies to all serial numbers of the affected helicopter models.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 D-2
Airbus Helicopters MBB-BK117 D-2m
Airbus Helicopters MBB-BK117 D-3
Airbus Helicopters MBB-BK117 D-3m

EASA AD 2023-0066

Equipment / Furnishings — Hoist Boom Assembly — Inspection

EASA Airworthiness Directive 2023-0066 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning the inspection of hoist boom assemblies on Airbus Helicopters Deutschland GmbH EC135, EC635, and MBB-BK117 helicopter models. The directive mandates repetitive inspections of specific hoist boom assembly parts identified by part numbers 44301-500, 44307-500, and 44307-500-1 to ensure continued airworthiness and safety. It applies to all variants and serial numbers of the affected helicopter models.

Airworthiness Directive

Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters MBB-BK 117
Airbus Helicopters EC635
Airbus Helicopters MBB-BK117

EASA AD 2022-0228

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

EASA AD 2022-0208

Rotorcraft Flight Manual — Emergency and Malfunction Procedures — Amendment

EASA Airworthiness Directive 2022-0208 is an amendment concerning the Rotorcraft Flight Manual emergency and malfunction procedures for Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 and D-3m helicopters, specifically serial numbers 20070, 21016 and up. The directive mandates updates to the flight manual to address potential DC power interruptions affecting essential busses during flight. This amendment applies to helicopters with TCDS number EASA.R.010 and involves updated emergency procedures to enhance flight safety.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 D-3
Airbus Helicopters MBB-BK117 D-3m

EASA AD 2022-0143

Integrated Modular Avionics – Ethernet Network – Inspection

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.

Airworthiness DirectiveSuperseded

Airbus Helicopters EC175
Airbus Helicopters H160B
Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters MBB-BK 117
Airbus Helicopters EC635
MBB-BK117
Airbus Helicopters EC175 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.

Airworthiness Directive

Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters MBB-BK 117
Airbus Helicopters EC635
MBB-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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 355
Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters MBB-BK 117
Airbus Helicopters EC 135
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
MBB-BK117 C-2
MBB-BK117 D-2
MBB-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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 D-3
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 C-2
Airbus Helicopters MBB-BK117 D-2
Airbus Helicopters MBB-BK117 D3
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 D-3
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 A-1
Airbus Helicopters MBB-BK117 A-3
Airbus Helicopters MBB-BK117 A-4
Airbus Helicopters MBB-BK117 B-1
Airbus Helicopters MBB-BK117 B-2
Airbus Helicopters MBB-BK117 C-1
Airbus Helicopters MBB-BK117 C-2
Airbus 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.

Airworthiness Directive

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK117 D-2