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EASA Regulations for Airbus Helicopters AS 350

87 airworthiness directives and regulations affecting Airbus Helicopters AS 350.

EASA AD 26-031

Instruments — Fuse Cover Attachment of Circuit Breaker Panel — Modification

EASA Airworthiness Directive 26-031 is a proposed directive addressing a modification to the fuse cover attachment on the circuit breaker panel of Airbus Helicopters AS 350 B2, AS 350 B3, and EC 130 B4 models. The directive targets specific fuse covers with part numbers 350A76-2395-20, 350A76-2395-21, and 350A76-2395-23 that are part of certain control units. It aims to enhance safety by preventing interference with the pilot pedal controls.

Feb 20, 2026
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2026-0021

Fuselage — Mounts and Attachment — Checks / Replacement

EASA Airworthiness Directive 2026-0021 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 series, including AS 350 B, BA, BB, B1, B2, B3, and D models delivered before 1 January 2026. The directive addresses the inspection and replacement of fuselage mounts and attachments, specifically the front and rear attachment fittings, screws, nuts, and washers of the Main Gear Box suspension bars. It mandates checks and replacements to ensure continued airworthiness and safety of these helicopters.

Jan 29, 2026
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0263

[Correction] Hydraulic Power — Single Generation Hydraulic System Wiring Diode — Cut-Off Test

EASA Airworthiness Directive 2025-0263 is a corrective directive addressing Airbus Helicopters AS 350 B2 models with specific serial numbers. It mandates a cut-off test of the single generation hydraulic system wiring diode 43D2 to ensure proper hydraulic function and control. The directive aims to prevent loss of yaw load compensator efficiency and hydraulic assistance to key servo-controls.

Dec 9, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0262-E

Tail Rotor Drive — Centre Shaft Assembly — Inspection / Replacement / Life Limitations

EASA Airworthiness Directive 2025-0262-E is an emergency directive addressing the inspection, replacement, and life limitations of the tail rotor drive centre shaft assembly, Part Number 350A34021401, installed on Airbus Helicopters EC 130 T2 and EC 130 B4 models. This directive mandates repetitive inspections and replacement requirements to ensure the continued airworthiness of affected helicopters. It applies to all serial numbers of the specified EC 130 helicopter models.

Nov 25, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0249-E

SUPERSEDED BY EASA EMERGENCY AD 2025-0262-E

EASA Airworthiness Directive 2025-0249-E is an emergency directive addressing the Airbus Helicopters EC 130 T2 and EC 130 B4 models. It mandates the replacement of the tail rotor drive centre shaft assembly, part number 350A34021401, due to potential fatigue cracking that could lead to failure of the tail rotor drive shaft and loss of yaw control. This directive applies to all serial numbers of the affected helicopter models.

Nov 7, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0137

[Correction] Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

[Correction] Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment is a regulatory document addressing the airworthiness limitations for AIRBUS HELICOPTERS AS 350 and EC 130 models. It provides updated instructions related to time limits and maintenance checks to ensure continued airworthiness of these helicopter types. The amendment clarifies or corrects previous maintenance requirements to enhance safety and compliance.

Oct 29, 2025
CorrectionMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0159

Placards and Markings — Unlock Sliding Door — Installation

EASA Airworthiness Directive 2025-0159 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350, AS 355, EC 120, and EC 130 models. The directive addresses the installation of additional safety placards and markings for the sliding door unlock instructions on these helicopters. It applies to all serial numbers that have not incorporated modification 0720257.

Jul 24, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 B

EASA AD 2024-0133R1

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2024-0133R1 is an amendment addressing the Airworthiness Limitations Section for Airbus Helicopters AS 350 B, BA, BB, B1, and D models. It updates maintenance tasks and life limits as specified in the Airbus Helicopters AS 350 Aircraft Maintenance Manual Chapter 04, Revision 009. This directive ensures continued airworthiness by mandating compliance with updated maintenance requirements.

Jun 27, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2023-0187R1

Engine Controls — Microswitches — Inspection / Modification

EASA Airworthiness Directive 2023-0187R1 is an updated regulatory document addressing inspection and modification requirements for engine control microswitches on Airbus Helicopters AS 350 and EC 130 models. It focuses on affected microswitches with Part Number T3933-3 and pilot twist grips with specific part numbers, aiming to ensure safe operation of the engine power control system. The directive applies to all serial numbers of AS 350 B3, EC 130 B4, and EC 130 T2 helicopters.

Mar 20, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0062

Main Rotor — Main Rotor Blades — Replacement

EASA Airworthiness Directive 2025-0062 is an airworthiness directive addressing Airbus Helicopters EC 130 T2 helicopters equipped with certain main rotor blades. It mandates the replacement of main rotor blades with Part Number 355A11003002, which are not certified for this helicopter model, with serviceable blades having Part Number 355A11003004. This directive applies to all EC 130 T2 helicopters delivered before 23 September 2024.

Mar 20, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0036

Equipment / Furnishings — Cargo Hook Assembly — Inspection

EASA Airworthiness Directive 2025-0036 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters AS 350 series. It mandates inspection of the cargo hook assembly, specifically part number 17149-1, installed on AS 350 B, BA, BB, B1, B2, B3, and D helicopters. The directive addresses a potential safety issue related to the cargo hook's structural integrity.

Feb 12, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2025-0025

Equipment / Furnishings — Emergency Release Control of Cargo-Swing Installation — Inspection

EASA Airworthiness Directive 2025-0025 is an airworthiness directive issued by EASA concerning Airbus Helicopters AS 350 B2, AS 350 B3, AS 355 NP, AS 355 N, and EC 130 B4 models equipped with ONBOARD systems 3500LB having Part Number 704A41811035. The directive mandates inspection and potential adjustment or replacement of the emergency release control of the cargo-swing installation to ensure safe operation. This directive addresses a safety issue related to the incorrect adjustment of the release cable that could lead to loss of load during cargo swing operations.

Jan 23, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2021-0282R1

[Correction] Tail Rotor — Tail Rotor Head Pitch Change Unit Bearing Spacer — Marking / Check

EASA Airworthiness Directive 2021-0282R1 is a correction to the original AD addressing the tail rotor head pitch change unit bearing spacer on Airbus Helicopters AS 350 and AS 355 models. It mandates inspections, marking, and checks of specific tail rotor head spider pitch change units to prevent loss of pitch change control. The directive applies to all serial numbers of the affected helicopter models and specifies part numbers 350A33-2030-00, 350A33-2167-00, and 350A33-2167-01.

Jan 8, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2024-0232

Doors — Door Star Support — Modification

EASA Airworthiness Directive 2024-0232 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 130 B4 models. It addresses a safety issue related to the door star support mechanism on composite doors, including sliding and swing doors with specific part numbers. The directive mandates modifications to improve the door locking and unlocking mechanism to prevent evacuation delays in emergencies.

Dec 5, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

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.

Nov 29, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters BO 105Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Bell 206Bell 407Bell Textron Inc. (Bti) 210Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Md Helicopters Inc (Mdhi) 369Md Helicopters Inc (Mdhi) 500NRobinson R44 (Raven)Robinson R66Sikorsky S-76

EASA AD 2024-0144

Tail Rotor Drive — Shaft-Line — Check / Measurement / Modification

EASA Airworthiness Directive 2024-0144 is issued for Airbus Helicopters EC 130 T2 models equipped with specific tail rotor drive shaft components. It addresses the inspection, measurement, and modification requirements for the tail rotor drive shaft, sliding flange, and equipped splined sleeve to prevent potential failures. The directive mandates repetitive vibration checks and modifications to certain helicopter groups to ensure continued airworthiness.

Jul 19, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 T2

EASA AD 2012-0257-CN

CANCELLED: Tail Rotor — Laminated Half-Bearings — Inspection / Replacement

EASA Airworthiness Directive Cancellation Notice 2012-0257-CN cancels the previous EASA Emergency AD 2012-0257-E concerning inspection and replacement of laminated half-bearings on the tail rotors of Airbus Helicopters AS 350 and AS 355 models. This cancellation affects all serial numbers of AS 350 B, BA, BB, B1, B2, D, and most B3 helicopters except those with modification 075601, as well as AS 355 E, F, F1, F2, N, and NP helicopters. The directive addresses safety concerns related to premature failure of laminated half-bearings that could lead to tail rotor failure and loss of control in flight.

Jul 17, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2024-0139

Stabilizers — Vertical Fin — Inspection / Modification / Placards and Markings — Interior Placards — Installation / Aircraft Flight Manual / Airspeed Limitations — Amendment

EASA Airworthiness Directive 2024-0139 is an amendment addressing inspection, modification, and placard installation requirements for the vertical fin stabilizers of Airbus Helicopters AS 350 and AS 355 models. It applies to all serial numbers of AS 355 E, F, F1, F2, N, NP helicopters and AS 350 B3 helicopters except those with modification 073148 embodied in production. The directive mandates inspections, cleaning, flight manual amendments, placard installations, and introduces a reinforced upper fin assembly modification.

Jul 12, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

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.

Jul 10, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 B4Airbus 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.

Jun 13, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 B4Airbus Helicopters EC 130 T2