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EASA Regulations for Airbus Helicopters AS 350

99 airworthiness directives and regulations affecting Airbus Helicopters AS 350.

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New ADs and bulletins for Airbus Helicopters AS 350, 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 2023-0214R1

Fuselage – Tail Rotor Drive Shaft / Rear Transmission Bearing Support – Inspections / Modification

EASA Airworthiness Directive 2023-0214R1 is an updated regulatory requirement affecting Airbus Helicopters EC 130 T2 models with specific modifications embodied. It addresses the inspection and modification of the tail rotor drive shaft and rear transmission bearing support to prevent failure of the tail rotor drive shaft and loss of yaw control. This directive supersedes previous ADs related to the same issue and focuses on reinforcing the bearing support.

Airworthiness Directive

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

EASA AD 2024-0144R1

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

EASA Airworthiness Directive 2024-0144R1 is a regulatory update addressing the tail rotor drive shaft-line on Airbus Helicopters EC 130 T2 models with specific part numbers installed. It mandates repetitive vibration level measurements, corrective actions, and modifications to certain tail rotor drive shaft components to prevent potential failure and loss of yaw control. The directive applies to helicopters with affected rear rotor drive shafts, sliding flanges, and equipped splined sleeves as defined by part numbers.

Airworthiness Directive

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

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 PAD 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.

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130

EASA AD 2025-0249-E

Tail Rotor Drive – Centre Shaft Assembly – Replacement

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.

Airworthiness DirectiveSuperseded

Airbus Helicopters AS 350
Airbus 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.

Airbus Helicopters AS 350
Airbus 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.

Airworthiness DirectiveSuperseded

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 355
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus 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.

Airworthiness Directive

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters AS 355