EASA Regulations for Airbus Helicopters AS 355

57 airworthiness directives and regulations affecting Airbus Helicopters AS 355.

EASA AD 2022-0220

Nov 16, 2022

Equipment / Furnishings — Main Rotor Flight Controls / Shear-Button Safety-Cap — Operational Check

EASA Airworthiness Directive 2022-0220 is an airworthiness directive issued by the European Union Aviation Safety Agency addressing the operational check of the main rotor flight controls' hoist shear-button safety-cap on Airbus Helicopters models AS 355, AS 365, SA 365, EC 155, AS 332, and EC 225 LP. The directive targets helicopters equipped with hoist provisions and focuses on ensuring the proper functioning of the safety-cap spring to prevent inadvertent activation of the hoist shear-button. It applies to specific collective pitch handles identified by part numbers listed in the directive.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA 330
  • Airbus Helicopters AS 332
  • Airbus Helicopters EC 225
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters AS355
  • Airbus Helicopters AS365
  • Airbus Helicopters SA365
  • Airbus Helicopters EC155
  • Airbus Helicopters AS332
  • Airbus Helicopters EC225

EASA AD 2022-0180

Aug 29, 2022

Tail Rotor Drive — Fan Assembly — Inspection / Modification

EASA Airworthiness Directive 2022-0180 is an airworthiness directive addressing the tail rotor drive fan assembly on Airbus Helicopters AS 355 E, F, F1, F2, and N models. It mandates inspection and modification of specific right-hand and left-hand fan support parts to prevent failure. The directive applies to all serial numbers of these helicopter models and focuses on parts with certain part numbers prone to cracking or breaking.

Airworthiness Directive
  • 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

EASA SIB 2022-05

Jul 1, 2022

[Correction] Rotorcraft Flight Manual Update related to Servo Control Transparency

EASA Safety Information Bulletin 2022-05 is a correction notice addressing rotorcraft flight manual updates related to servo control transparency for Airbus Helicopters AS 350 (all models except B3 with dual hydraulic system), AS 355 E, and EC 120 B helicopters. It highlights the phenomenon of servo control transparency, which can cause unexpected flight control loads and flight path deviations, particularly affecting helicopters with single hydraulic systems and specific engine models like the ARRIEL 2B. The bulletin references previous service letters and airworthiness bulletins from Airbus Helicopters, FAA, and CASA Australia.

Safety Information Bulletin
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B

EASA AD 2022-0128

Jun 30, 2022

Fuselage — Main Gearbox Bracket Bolts — Inspection

EASA Airworthiness Directive 2022-0128 is an airworthiness directive addressing inspection requirements for main gearbox bracket bolts on Airbus Helicopters AS 350, EC 130, and AS 355 models. It targets specific affected bolts with part numbers 22201BC080020L, 22201BC080021L, and 22201BC080022L to prevent potential separation of suspension-bar fittings. The directive mandates inspections and corrective actions to ensure continued airworthiness and safety.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2022-0051

Jun 9, 2022

[Correction] Fuselage — Rear Structure Junction Frame Reinforcement Angles — Inspection

EASA Airworthiness Directive 2022-0051 is a corrective directive addressing inspection requirements for the rear structure junction frame reinforcement angles on Airbus Helicopters AS 350 and AS 355 models. It applies to specific serial numbers and affected parts, including junction frames reinforced by modification 073215 or equipped with certain reinforcement angles. The directive mandates repetitive inspections to detect cracks that could lead to tail boom loss and specifies optional modification as a terminating action.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2022-0077-E

Apr 29, 2022

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 2022-0069

Apr 19, 2022

Tail Rotor Drive – Fan Assembly – Inspection

EASA Airworthiness Directive 2022-0069 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 355 series, including AS 355 E, F, F1, F2, and N models. The directive addresses inspection and replacement requirements for specific right-hand and left-hand fan support parts identified by part numbers 355A34-1041-05, 355A34-1041-03, 355A34-1040-05, and 355A34-1040-03. It aims to prevent potential failure of the tail rotor drive and main gearbox oil cooling function due to broken fan support legs.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 355

EASA AD 2011-0072-CN

Mar 4, 2022

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2014-0076R3

Nov 30, 2021

Fuselage – Rear Structure Junction Frame Reinforcement Angles – Inspection

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2021-0265

Nov 23, 2021

Power Plant — Cowlings — Inspection / Repainting

EASA Airworthiness Directive 2021-0265 is an airworthiness directive addressing Airbus Helicopters models AS 355, SA 365, AS 365, and EC 155. It mandates inspection and possible repainting or replacement of engine upper fixed cowlings with specific part numbers to prevent fire risks caused by finish paint applied over primer layers. The directive applies to all serial numbers of the affected helicopter models.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2020-0175-CN

Sep 13, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2015-0094-CN

Aug 20, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2010-0006-CN

Aug 20, 2021

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.

Agency Decision
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS 350 B
  • Airbus Helicopters AS 350 BA
  • Airbus Helicopters AS 350 BB
  • Airbus Helicopters AS 350 B1
  • Airbus Helicopters AS 350 B2
  • Airbus Helicopters AS 350 B3
  • Airbus Helicopters AS 350 D
  • 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

EASA AD 2021-0193

Aug 20, 2021

Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment

EASA Airworthiness Directive 2021-0193 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 355 models including AS 355 E, F, F1, F2, N, and NP. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Airbus Helicopters AS 355 Aircraft Maintenance Manual Chapter 04 Airworthiness Limitations Section revisions. The directive ensures continued airworthiness by enforcing life limits and maintenance intervals for critical components of these helicopters.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 355

EASA AD 2017-0032-CN

Aug 11, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2007-0256-CN

May 11, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC120
  • Airbus Helicopters EC130
  • Airbus Helicopters EC155

EASA AD 2021-0099

Apr 9, 2021

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2021-0048

Feb 16, 2021

Main Rotor – Pitch Rod Upper Links – Marking / Inspection

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2021-0027R1

Jan 22, 2021

Rotors Flight Control — Collective Controls / Protective Cover — Modification

EASA Airworthiness Directive 2021-0027R1 is a regulatory document addressing a modification to the collective controls protective cover on Airbus Helicopters AS 355 NP models. It mandates replacement and re-identification of the pilot collective stick protective cover for the "SHEAR" control pushbutton to prevent mechanical deformation that could lead to unintended hoist cable shearing. This directive applies to all serial numbers of AS 355 NP helicopters.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS 355 NP

EASA AD 2021-0023

Jan 19, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355