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EASA Regulations for Airbus Helicopters EC 130 B4

23 airworthiness directives and regulations affecting Airbus Helicopters EC 130 B4.

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New ADs and bulletins for Airbus Helicopters EC 130 B4, summarized like the ones below, every Monday.

EASA AD 2025-0159R1

Placards and Markings – Unlock Sliding Door – Installation

EASA Airworthiness Directive 2025-0159R1 is an updated regulatory requirement addressing the installation of safety placards and markings for unlocking sliding doors on Airbus Helicopters models AS 350, AS 355, EC 120, and EC 130. This directive applies to all serial numbers of these helicopters except certain EC 120 B models with specific serial numbers. The directive mandates the installation of additional safety labels to improve emergency exit instructions.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 350 B
Airbus Helicopters AS 350 B1
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters AS 350 BA
Airbus Helicopters AS 350 BB
Airbus Helicopters AS 350 D
Airbus Helicopters EC 130 B4
Airbus Helicopters AS 355
Airbus Helicopters AS 355 E
Airbus Helicopters AS 355 F
Airbus Helicopters AS 355 F1
Airbus Helicopters AS 355 F2
Airbus Helicopters AS 355 N
Airbus Helicopters AS 355 NP
Airbus Helicopters EC 120 B
Airbus Helicopters EC 120

EASA AD 2026-0052R2

Instruments – Fuse Cover Attachment of Circuit Breaker Panel – Modification

EASA Airworthiness Directive 2026-0052R2 is a regulatory document addressing a safety issue in Airbus Helicopters AS 350 B2, AS 350 B3, and EC 130 B4 models. The directive mandates modification and reidentification of specific fuse covers on the circuit breaker panel to prevent interference with the pilot pedal, which could reduce yaw control. It applies to helicopters with certain modifications embodied and affected fuse cover part numbers.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4

EASA AD 2026-0146

Equipment / Furnishings – Mechanical Dropping Control – Inspection

EASA Airworthiness Directive 2026-0146 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 B2, AS 350 B3, AS 355 N, AS 355 NP, and EC 130 B4 models. The directive addresses inspection requirements for the mechanical dropping control system, specifically the dropping control part number 704A41811037, to prevent unintended load release during cargo operations.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 355
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters AS 355 N
Airbus Helicopters AS 355 NP
Airbus Helicopters EC 130 B4

EASA AD 2026-0052R1

Instruments – Fuse Cover Attachment of Circuit Breaker Panel – Modification

EASA Airworthiness Directive 2026-0052R1 is a regulatory update addressing a safety issue in Airbus Helicopters AS 350 B2, AS 350 B3, and EC 130 B4 models. The directive mandates modification of the fuse cover attachment on the circuit breaker panel to prevent interference with the pilot pedal, which could impair yaw control. This AD applies to specific affected parts identified by part numbers and requires compliance with updated service bulletin instructions.

Airworthiness DirectiveSuperseded

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4

EASA AD 2026-0132

Rotors Flight Control – Upper Ball Bearing End of the Main Rotor Servo-Controls – Inspection

EASA Airworthiness Directive 2026-0132 is an airworthiness directive addressing the inspection of the upper ball bearing ends of the main rotor servo-controls on Airbus Helicopters AS 350 B3, AS 355 (F, F1, F2, N, NP), and EC 130 (B4, T2) models. The directive mandates a one-time and recurring inspection of the nut tightening torque on affected parts to prevent potential disconnection of the upper ball bearing end from the main rotor servo-controls. This AD applies to specific part numbers equipped with certain nut retainers and aims to ensure continued safe flight control operation.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 355
Airbus Helicopters AS 350 B3
Airbus Helicopters AS 355 F
Airbus Helicopters AS 355 F1
Airbus Helicopters AS 355 F2
Airbus Helicopters AS 355 N
Airbus Helicopters AS 355 NP
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2026-0111

Tail Rotor Drive - Shaft Sleeves – Inspection

EASA Airworthiness Directive 2026-0111 is an airworthiness directive addressing the inspection of tail rotor drive shaft sleeves on Airbus Helicopters AS 350 B2, AS 350 B3, EC 130 B4, and EC 130 T2 models, excluding those with modification 079809. The directive mandates repetitive inspections of specific tail rotor drive shaft sleeves, part number 704A33698045, to detect damage caused by increased hardness due to high temperatures. This AD aims to prevent potential failure of the tail rotor drive shaft and loss of yaw control.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2022-0150R1

Tail Rotor — Blades — Inspection

EASA Airworthiness Directive 2022-0150R1 is a regulatory update addressing inspection requirements for tail rotor blades on Airbus Helicopters EC 130 B4 and EC 130 T2 models. It mandates repetitive dye penetrant inspections of specific tail rotor blade part numbers to detect fatigue cracks that could lead to blade failure and loss of helicopter control. The directive applies to all serial numbers of the affected helicopter models.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2024-0113

Tail Rotor — Tail Rotor Hub Tension-Torsion Bars — Inspection

EASA Airworthiness Directive 2024-0113 is an airworthiness directive addressing Airbus Helicopters EC 130 B4 and EC 130 T2 models. It mandates inspection of the tail rotor hub tension-torsion bars, specifically parts with P/N 350A33318000 or P/N 350A33318001, due to a reported failure that could lead to loss of tail rotor function. The directive includes inspection procedures and corrective actions to ensure continued safe operation.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2024-0018

Indicating / Recording Systems — Control Unit — Inspection

EASA Airworthiness Directive 2024-0018 is an airworthiness directive addressing inspection and modification requirements for the control units of Airbus Helicopters AS 350 B2/B3, EC 130 B4, and EC 120 B models. It mandates inspection, cleaning, and corrective actions for affected control units to prevent short circuits that could impair multiple systems including the Emergency Floatation System (EFS). This directive applies to all serial numbers of the specified helicopter models.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 120 B
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4

EASA AD 2023-0133

Engine Controls – Microswitches – Inspection / Modification

EASA Airworthiness Directive 2023-0133 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 B3, EC 130 B4, and EC 130 T2 models. It addresses issues related to engine control microswitches and pilot twist grips, specifically targeting part numbers associated with these components to ensure safe engine power control operation. The directive mandates inspections, modifications, and corrective actions to prevent failure of engine power control during critical flight phases.

Airworthiness DirectiveSuperseded

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2023-0127

Main Rotor Drive — Main Gear Box Engine Coupling — Inspection

EASA Airworthiness Directive 2023-0127 is a mandatory safety directive addressing Airbus Helicopters EC 130 T2, EC 130 B4, and AS 350 series helicopters. It requires inspection of the main gear box engine coupling installation to detect inverted engine flange installations that could compromise power transmission to the main rotor. The directive applies to helicopters manufactured before specific dates in 2023 and aims to prevent potential loss of helicopter control.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 T2
Airbus Helicopters EC 130 B4

EASA AD 2023-0107

[Correction] Equipment / Furnishings — Cargo Swing Frame — Inspection

EASA Airworthiness Directive 2023-0107 is a safety directive addressing Airbus Helicopters AS 350 B2, AS 350 B3, and EC 130 B4 models equipped with cargo hook Part Number 704A41811035 and any cargo swing frame. The directive mandates inspection of the cargo swing frame to prevent failure during flight, which could lead to load loss and potential helicopter control issues. It applies specifically to these helicopter models and their cargo swing installations.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 350 B2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4

EASA AD 2018-0104R2

Fuselage — Tail Boom / Fenestron Junction Frame — Inspection

EASA Airworthiness Directive 2018-0104R2 is an updated regulatory document addressing inspection and modification requirements for Airbus Helicopters EC 130 B4 and EC 130 T2 models. It focuses on the fuselage tail boom and fenestron junction frame to detect and prevent crack propagation that could lead to structural failure and loss of helicopter control. The directive applies to all serial numbers except those with specific Airbus modifications 074775 or 074581.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2017-0102R2

Engine Fuel & Control — High Pressure / Low Pressure Fuel Pump Metering Unit — Inspection / Replacement

EASA Airworthiness Directive 2017-0102R2 is an updated regulatory requirement addressing inspection and replacement of the high pressure/low pressure fuel pump metering unit on SAFRAN Helicopter Engines ARRIEL 2 series engines. These engines are commonly installed on Airbus Helicopters AS 350 B3, EC 130 B4, and Changhe Z11 helicopters. The directive mandates inspections and modifications to prevent uncoupling of the LP fuel pump impeller and HP fuel pump shaft, which can lead to engine power loss or in-flight shutdown.

Airworthiness Directive

Safran ARRIEL 2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4
Changhe Z11

EASA AD 2022-0053

Landing Gear — Skid-Type Landing Gear — Inspection

EASA Airworthiness Directive 2022-0053 is an airworthiness directive addressing the inspection of skid-type landing gear assemblies on Airbus Helicopters EC 120 B and EC 130 T2 and B4 models. It mandates a one-time external and internal inspection for corrosion and cracks on specified landing gear part numbers. The directive applies to all serial numbers of the affected helicopter models and includes detailed definitions of affected parts and sub-assemblies.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 120 B
Airbus Helicopters EC 130 T2
Airbus Helicopters EC 130 B4

EASA AD 2020-0187

Tail Rotor — Blades — Inspection

EASA Airworthiness Directive 2020-0187 is an airworthiness directive addressing the inspection of tail rotor blades on Airbus Helicopters EC 130 B4 and EC 130 T2 models. It mandates inspections and dimensional checks of specific forged tail rotor blades with part numbers 350A33-3002-02 through 350A33-3002-05 to detect fatigue cracks and ensure continued airworthiness. The directive also prohibits rework or repair of affected blade areas and requires replacement or corrective actions based on inspection results.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2020-0095

Doors — Sliding Door Star Support — Modification

EASA Airworthiness Directive 2020-0095 is issued for Airbus Helicopters EC 120 B and EC 130 B4 models to address issues with the sliding door star support. The directive applies to specific serial numbers and affected sliding door parts with part numbers C526A2370101 and C526S1101051. It mandates modifications to the door locking and unlocking mechanism to ensure safe evacuation.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 120 B
Airbus Helicopters EC 130 B4

EASA AD 2020-0069

Doors — Sliding Door Opening Mechanism — Inspection / Modification

EASA Airworthiness Directive 2020-0069 is an airworthiness directive addressing the sliding door opening mechanism on Airbus Helicopters EC 130 B4 models. It mandates inspections and modifications to the left-hand side cabin sliding door latch to prevent in-flight detachment and potential damage or injury. The directive applies to all serial numbers of the EC 130 B4 helicopter and includes specific inspection and modification instructions.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4

EASA AD 2019-0180

Engine Fuel & Control — Fuel Filter Pre-blockage Pressure Switch — Operational Check

EASA Airworthiness Directive 2019-0180 is an airworthiness directive addressing SAFRAN Helicopter Engines ARRIEL 2 series engines installed on various helicopters including Airbus Helicopters AS 350 B3, EC 130 B4, AS 365 N3, EC 155 B, and Sikorsky S-76C. The directive mandates operational checks and visual inspections of the fuel filter pre-blockage pressure switch to ensure proper functionality and prevent uncommanded engine shutdowns due to fuel contamination.

Airworthiness Directive

Safran ARRIEL 2
Airbus Helicopters AS 350 B3
Airbus Helicopters EC 130 B4
Airbus Helicopters AS 365 N3
Airbus Helicopters EC 155 B
Sikorsky S-76C

EASA AD 2019-0001

Doors – Sliding Door Opening Mechanism – Inspection

EASA Airworthiness Directive 2019-0001 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 130 B4 models. It addresses the risk of in-flight detachment of the left-hand cabin sliding door due to degradation of the door locking mechanism. The directive mandates inspections and corrective actions to ensure the sliding door locking mechanism operates within safe parameters.

Airworthiness DirectiveSuperseded

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4