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EASA Regulations for Airbus Helicopters AS 350

87 airworthiness directives and regulations affecting Airbus Helicopters AS 350.

EASA SIB 2021-05R1

Fuel Shut-off Lever Modification

EASA Safety Information Bulletin 2021-05R1 is an airworthiness bulletin addressing a modification to the fuel shut-off lever on Airbus Helicopters AS 350 series models, including AS 350 B, B1, B2, B3, BA, BB, and D helicopters. The bulletin revises the original SIB 2021-05 and provides updated guidance on a design modification to reduce the risk of inadvertent activation of the floor-mounted fuel shut-off lever. This modification aims to enhance safety following a fatal accident involving an AS 350 B2 helicopter.

Apr 8, 2022
Safety Information BulletinMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2011-0072-CN

CANCELLED: Equipment / Furnishings — Emergency Flotation Gear Attachment Brackets — Inspection / Replacement

EASA Airworthiness Directive 2011-0072-CN is a cancellation notice for the previous directive concerning the inspection and replacement of emergency flotation gear attachment brackets on Airbus Helicopters AS 350 and AS 355 models. This cancellation applies to all serial numbers of AS 350 B, BA, BB, B1, B2, B3, D and AS 355 E, F, F1, F2, N, NP helicopters equipped with fixed emergency flotation gear parts. The directive confirms that the previously mandated inspections are now part of regular maintenance schedules and that no unsafe condition requiring an AD exists.

Mar 4, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2021-0283R1

SUPERSEDED BY EASA AD 2023-0028

EASA Airworthiness Directive 2021-0283R1 is an updated safety directive addressing inspection requirements for Airbus Helicopters EC 130 T2 models equipped with modification 074581. It mandates repetitive inspections of the rear transmission shaft bearing support rivets and local structure to detect cracks or rivet degradation that could lead to tail rotor drive shaft failure and loss of yaw control.

Feb 25, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 T2

EASA AD 2014-0076R3

SUPERSEDED BY 2022-0051

EASA Airworthiness Directive 2014-0076R3 is an updated safety directive addressing inspection and modification requirements for Airbus Helicopters AS 350 and AS 355 models. It focuses on the rear structure junction frame reinforcement angles, specifically parts with P/N 350A08.2493.21 or 350A08.2493.23, to prevent cracks that could lead to tail boom loss. The directive mandates repetitive inspections and optional terminating modifications to ensure continued airworthiness.

Nov 30, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2021-0235-E

SUPERSEDED BY EASA EMERGENCY AD 2021-0283-E

EASA Airworthiness Directive 2021-0235-E is an emergency directive addressing a safety issue on Airbus Helicopters EC 130 T2 models equipped with modification 074581. It mandates repetitive inspections of the rear transmission shaft bearing support rivets and surrounding structure to detect cracks or damage. This directive aims to prevent potential failure of the tail rotor drive shaft and loss of yaw control.

Oct 28, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 T2

EASA AD 2021-0194R1

SUPERSEDED BY EASA AD 2024-0133

EASA Airworthiness Directive 2021-0194R1 is a regulatory update affecting Airbus Helicopters AS 350 and EC 130 models, including variants B, BA, BB, B1, B2, B3, D, B4, and T2. This directive mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the latest Aircraft Maintenance Manual Chapter 04 Airworthiness Limitations Section revisions. It ensures continued airworthiness by enforcing life limits and maintenance intervals for critical components.

Oct 8, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2021-0216

Main Rotor Drive — Engine-to-Main Gearbox Coupling Shaft — Re-identification

The document titled 'Main Rotor Drive — Engine-to-Main Gearbox Coupling Shaft — Re-identification' applies to AIRBUS HELICOPTERS models AS 350 and EC 130. It addresses the re-identification process for the coupling shaft connecting the engine to the main gearbox in these helicopter types. The directive ensures proper tracking and verification of this critical component to maintain airworthiness standards.

Sep 23, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130

EASA AD 2020-0175-CN

CANCELLED: Doors — Sliding Doors — Inspection

EASA Airworthiness Directive Cancellation Notice 2020-0175-CN is an official cancellation of the previous EASA AD 2020-0175, which applied to Airbus Helicopters AS 350 and AS 355 models equipped with sliding doors. The original directive required inspections of sliding door components due to a reported in-flight door loss incident. This cancellation confirms that the unsafe condition is no longer considered a fleet-wide risk.

Sep 13, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2015-0094-CN

CANCELLED: Main Rotor Drive — Bi-Directional Suspension Cross-Bar — Inspection

EASA Airworthiness Directive Cancellation Notice 2015-0094-CN is an official cancellation of the previous EASA AD 2015-0094 concerning the inspection of the main rotor drive bi-directional suspension cross-bar on Airbus Helicopters AS 350, AS 355, and EC 130 models. This cancellation applies to all serial numbers of AS 350 B, BA, BB, B1, B2, B3, D; AS 355 E, F, F1, F2, N, NP; and EC 130 B4 and T2 helicopters. The notice confirms that the inspection requirements have been incorporated into newer airworthiness limitation sections and related ADs.

Aug 20, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2010-0006-CN

CANCELLED: Time Limits / Maintenance Checks — Tail Rotor Pitch-Change Links — Inspection

EASA Airworthiness Directive Cancellation Notice 2010-0006-CN cancels the previous EASA AD 2010-0006 concerning time limits and maintenance checks for tail rotor pitch-change links on Airbus Helicopters AS 350 and AS 355 models. This cancellation applies to all serial numbers of AS 350 B, BA, BB, B1, B2, B3, D and AS 355 E, F, F1, F2, N, NP helicopters equipped with affected tail rotor pitch-change link parts. The notice confirms that the inspection requirements have been incorporated into updated Airworthiness Limitations Sections for these helicopter models.

Aug 20, 2021
Agency DecisionMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters AS 350 BAirbus Helicopters AS 350 BAAirbus Helicopters AS 350 BBAirbus Helicopters AS 350 B1Airbus Helicopters AS 350 B2Airbus Helicopters AS 350 B3Airbus Helicopters AS 350 DAirbus Helicopters AS 355 EAirbus Helicopters AS 355 FAirbus Helicopters AS 355 F1Airbus Helicopters AS 355 F2Airbus Helicopters AS 355 NAirbus Helicopters AS 355 NP

EASA AD 2021-0195

Rotorcraft Flight Manual — Engine Digital Electronic Control Unit Emergency Procedure — Amendment

EASA Airworthiness Directive 2021-0195 is an amendment concerning Airbus Helicopters AS 350 B3 and EC 130 T2 models equipped with ARRIEL 2D engines. It addresses issues related to the Full Authority Digital Engine Control (FADEC) units that may cause in-flight failures affecting fuel flow regulation and engine monitoring displays. The directive mandates changes to the Rotorcraft Flight Manual emergency procedures to improve pilot response to these failures.

Aug 20, 2021
Airworthiness DirectiveFlight OpsSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 350 B3Airbus Helicopters EC 130 T2

EASA AD 2017-0032-CN

CANCELLED: Main Rotor — Main Rotor Hub / Mast Attachment Screws — Inspection

EASA Airworthiness Directive Cancellation Notice 2017-0032-CN is a cancellation notice issued by EASA for Airbus Helicopters AS 350, AS 355, and EC 130 models. It cancels the previous AD 2017-0032 which required inspection of main rotor hub/mast attachment screws due to corrosion concerns. The cancellation confirms that the original unsafe condition was isolated and no longer applicable to the fleet.

Aug 11, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2021-0168

SUPERSEDED BY EASA AD 2024-0018

EASA Airworthiness Directive 2021-0168 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS350 B2 and B3, EC130 B4, and EC120 B models. It addresses a potential unsafe condition involving control units that may develop short circuits due to foreign object damage or dust, which can lead to loss of multiple systems including the Emergency Floatation System (EFS). The directive mandates inspections and cleaning of affected control units to ensure continued airworthiness.

Jul 16, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters AS350 B2Airbus Helicopters AS350 B3Airbus Helicopters EC130 B4Airbus Helicopters EC120 B

EASA AD 2007-0256-CN

CANCELLED: PACIFIC SCIENTIFIC COMPANY — Seat Restraint System Plastic Rotary Buckle Handle — Inspection / Replacement

EASA Airworthiness Directive Cancellation Notice 2007-0256-CN cancels the previous EASA AD 2007-0256 concerning Pacific Scientific Company seat restraint system plastic rotary buckle handles. The affected parts include Pacific Scientific rotary buckles with part numbers 1111430-XX and 1111475-XX, manufactured between November 2004 and May 2007, installed on TSO-C114 approved restraint systems used on Airbus Helicopters AS 350, AS 355, EC120, EC130, and EC155 models. This cancellation aligns with FAA AD 2021-07-13 and reflects that the original compliance period has expired for rotorcraft in EASA states.

May 11, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters AS 355Airbus Helicopters EC120Airbus Helicopters EC130Airbus Helicopters EC155

EASA AD 2021-0123-E

Hydraulic Power — Tail Rotor Load Compensator — Functional Check / Modification

EASA Airworthiness Directive 2021-0123-E is an emergency directive affecting Airbus Helicopters AS 350 B, B2, B3, and BA models with specific serial numbers. It addresses a wiring non-conformity in the tail rotor load compensator hydraulic system that could lead to loss of hydraulic power and potential loss of helicopter control. The directive mandates a functional check and modification of the hydraulic system wiring to ensure safe operation.

May 7, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 350 BAirbus Helicopters AS 350 B2Airbus Helicopters AS 350 B3Airbus Helicopters AS 350 BA

EASA AD 2021-0099

SUPERSEDED BY EASA AD 2023-0075

EASA Airworthiness Directive 2023-0075 is an airworthiness directive that supersedes previous directives related to Airbus Helicopters AS 350, EC 130, and AS 355 models. It addresses safety and maintenance requirements for these helicopter types to ensure continued airworthiness and operational safety. The directive updates or replaces earlier regulatory instructions to reflect current safety standards.

Apr 9, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2021-0048

SUPERSEDED BY EASA AD 2023-0064

EASA Airworthiness Directive 2021-0048 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters models AS 350, EC 130, AS 355, SA 365, and AS 365. It addresses a safety issue related to the main rotor pitch rod upper links, which if not corrected, could lead to loss of control of the helicopter. The directive mandates marking and repetitive inspections of these components to detect any loss of torque and prevent potential failures.

Feb 16, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2021-0023

Equipment / Furnishings — Cyclic Stick Grip UP/DOWN Hoist Control Switch — Modification

EASA Airworthiness Directive 2021-0023 is an airworthiness directive issued by EASA concerning Airbus Helicopters AS 350 and AS 355 models. It addresses the cyclic stick grip UP/DOWN hoist control switch, specifically the affected UP/DOWN switches with Part Number AC66444 installed on DUNLOP cyclic stick grips. The directive mandates modifications to prevent unintended activation of the rescue hoist cable cutter function.

Jan 19, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2020-0224R1

Tail Rotor — Tail Rotor Blades — Inspection / Replacement / Modification

EASA Airworthiness Directive 2020-0224R1 is a regulatory document addressing inspection, replacement, and modification requirements for tail rotor blades on Airbus Helicopters AS 350 and AS 355 models. It targets specific pre-modification 075580 tail rotor blades identified by certain part numbers due to risks of debonding of leading edge protection shields. The directive mandates inspections and replacement to ensure continued airworthiness and safe operation of affected helicopters.

Nov 11, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2020-0217-E

SUPERSEDED BY EASA AD 2021-0023

EASA Airworthiness Directive 2020-0217-E is an emergency directive issued for Airbus Helicopters AS 350 B, BA, B1, B2, D and AS 355 E, F, F1, F2 models. It addresses a safety issue related to the UP/DOWN switches for rescue hoist control installed on Dunlop cyclic stick grips with Part Number AC66444. The directive mandates operational limitations and amendments to the Rotorcraft Flight Manual to prevent unintended activation of the rescue hoist cable cutter function.

Oct 6, 2020
Airworthiness DirectiveFlight OpsSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters AS 350 BAirbus Helicopters AS 350 BAAirbus Helicopters AS 350 B1Airbus Helicopters AS 350 B2Airbus Helicopters AS 350 DAirbus Helicopters AS 355 EAirbus Helicopters AS 355 FAirbus Helicopters AS 355 F1Airbus Helicopters AS 355 F2