EASA Regulations for Airbus Helicopters AS 350

98 airworthiness directives and regulations affecting Airbus Helicopters AS 350.

EASA AD 2024-0232

Dec 5, 2024

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.

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

EASA AD US-2024-20-07

Nov 29, 2024

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters BO 105
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Bell 206
  • Bell 407
  • Bell Textron Inc. (Bti) 210
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 412
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Md Helicopters Inc (Mdhi) 369
  • Md Helicopters Inc (Mdhi) 500N
  • Robinson R44 (Raven)
  • Robinson R66
  • Sikorsky S-76

EASA AD 2024-0144

Jul 19, 2024

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 130 T2

EASA AD 2012-0257-CN

Jul 17, 2024

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.

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

EASA AD 2024-0139

Jul 12, 2024

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.

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

EASA AD 2022-0150R1

Jul 10, 2024

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

Jun 13, 2024

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 2023-0190R1

Feb 20, 2024

Superseded by EASA AD 2024-0144

EASA Airworthiness Directive 2023-0190R1 is an updated safety directive addressing Airbus Helicopters EC 130 T2 models equipped with specific tail rotor drive shafts (P/N 350A34-5010-00 or 3S50A34-5020-00). It mandates repetitive vibration level measurements of the tail rotor drive shaft to detect potential cracks or failures that could lead to loss of yaw control. The directive includes detailed inspection procedures and corrective actions to maintain airworthiness.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 130 T2

EASA AD 2024-0018

Jan 11, 2024

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 2023-0214

Dec 11, 2023

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

EASA Airworthiness Directive 2023-0214 is an airworthiness directive issued for Airbus Helicopters EC 130 T2 models equipped with modification 074581. It addresses inspections and modifications related to the tail rotor drive shaft and rear transmission bearing support to prevent failure of the tail rotor drive shaft and loss of yaw control. The directive mandates repetitive inspections and a reinforcement modification to ensure continued airworthiness.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 130 T2

EASA SIB 2023-11

Oct 24, 2023

Hand Fire Extinguisher (HFE) / Check of the absence of discharge of the HFE

EASA Safety Information Bulletin 2023-11 is an airworthiness bulletin addressing the Hand Fire Extinguisher (HFE) manufactured by L’HOTELLIER, part number 12085-01 (S262A10T1001), installed on various Airbus Helicopters models including AS 350, AS 355, EC 130, EC 155, SA 365, AS 365, EC 120, EC 175, SA 341, and SA 342. The bulletin highlights issues with HFEs manufactured before July 2022 that may have unintentional discharge due to production defects. It provides guidance on checking for absence of discharge to ensure firefighting capability is maintained.

Safety Information Bulletin
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175
  • Airbus Helicopters SA 341
  • Airbus Helicopters 342
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155

EASA AD 2023-0166

Aug 25, 2023

Equipment / Furnishings — Emergency Floatation System Supply Hose Connection / Retaining Ring — Inspection

The document titled Equipment / Furnishings — Emergency Floatation System Supply Hose Connection / Retaining Ring — Inspection is an airworthiness directive applicable to AIRBUS HELICOPTERS models AS 350, EC 130, EC 120 B, and EC175. It addresses inspection requirements for the emergency flotation system's supply hose connection and retaining ring to ensure continued airworthiness and safety. The directive focuses on maintaining the integrity of critical emergency equipment on these helicopter models.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175

EASA AD 2023-0133

Jul 5, 2023

Superseded by EASA AD 2023-0187

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 2023-0131

Jul 3, 2023

Doors — Sliding Doors — Modification

EASA Airworthiness Directive 2023-0131 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 and AS 355 models equipped with sliding doors. It addresses a safety issue related to the upper rail roller of the sliding doors, which may lead to in-flight detachment of the door. The directive mandates modifications to the sliding door mechanism to enhance safety.

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

EASA AD 2023-0127

Jun 27, 2023

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 SIB 2023-06

Jun 21, 2023

Rupture of the Restraint System Buckle Cover

EASA Safety Information Bulletin 2023-06 is an airworthiness bulletin addressing the rupture of restraint system buckle covers on Airbus Helicopters AS 350 B2, AS 350 B3, AS 355 NP, and EC 130 T2 equipped with -198 series crew seats or -284 series passenger seats. The bulletin highlights reported occurrences of belt buckle ruptures manufactured by Anjou Aéronautique and provides safety recommendations to operators. It references Airbus Helicopters Safety Information Notice 3279-S-25 Revision 2 and SAFRAN SEATS Service Bulletin 198-25-009 Revision 1 for further guidance.

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

EASA AD 2023-0107

Jun 2, 2023

[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 2023-0089

May 4, 2023

Superseded by EASA AD 2024-0139

EASA Airworthiness Directive 2023-0089 is an airworthiness directive affecting Airbus Helicopters AS 350 B3 and AS 355 series helicopters. It addresses inspection and maintenance requirements for the upper fin assembly to prevent potential in-flight separation due to cracks and fractured attachment screws. The directive includes amendments to flight manuals, placard installations, and inspection intervals to ensure continued airworthiness.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS 350 B3

EASA AD 2023-0075

Apr 7, 2023

Superseded by EASA AD 2023-0089

EASA Airworthiness Directive 2023-0075 is issued for Airbus Helicopters AS 350 and AS 355 models, addressing cracks found in the upper fin spar and fractured attachment screws. This directive mandates inspections, cleaning, and amendments to the Rotorcraft Flight Manual (RFM) to include a reduced never-exceed speed (Vne) for affected helicopters. The directive applies to all serial numbers of AS 355 E, F, F1, F2, N, NP helicopters and AS 350 B3 helicopters except those with modification MOD 073148.

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

EASA AD 2023-0064

Mar 20, 2023

Main Rotor — Pitch Rod Upper Links — Marking / Inspection

EASA Airworthiness Directive 2023-0064 is issued for Airbus Helicopters AS 350, EC 130, AS 355, AS 365, and SA 365 models. It addresses the main rotor pitch rod upper links, specifically the pitch rod lever axis attachment screws with Part Number 350A31-1873-20, requiring marking and inspection to detect loss of screw torque. The directive aims to prevent potential loss of control due to failure of these components.

Airworthiness Directive
  • 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