RegNotify

EASA Regulations for Airbus Helicopters AS 350

95 airworthiness directives and regulations affecting Airbus Helicopters AS 350.

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SUPERSEDED BY EASA AD 2024-0018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

EASA AD 2020-0187

Tail Rotor — Blades — Inspection

EASA Airworthiness Directive 2020-0187 is an airworthiness directive addressing the inspection of tail rotor blades on Airbus Helicopters EC 130 B4 and EC 130 T2 models. It mandates inspections and dimensional checks of specific forged tail rotor blades with part numbers 350A33-3002-02 through 350A33-3002-05 to detect fatigue cracks and ensure continued airworthiness. The directive also prohibits rework or repair of affected blade areas and requires replacement or corrective actions based on inspection results.

Aug 21, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 B4Airbus Helicopters EC 130 T2

EASA AD 2020-0186

SUPERSEDED BY EASA AD 2021-0099

EASA Airworthiness Directive 2020-0186 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 and AS 355 models. It addresses a safety concern related to cracks and fractured attachment screws in the upper vertical fin spar, which could lead to in-flight separation and loss of control. The directive mandates inspections and corrective actions to ensure continued airworthiness of these helicopters.

Aug 20, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2017-0089R1

Main Rotor — Main Rotor Mast Upper Bearing — Lubrication / Main Rotor Mast Jet Oil Hose — Inspection

EASA Airworthiness Directive 2017-0089R1 is an updated regulatory requirement addressing the lubrication and inspection of the main rotor mast upper bearing and main rotor mast jet oil hose on Airbus Helicopters AS 350, AS 355, and EC 130 models. It specifically targets main rotor mast jet oil hoses with Part Number 704A34-412-015 manufactured in or before the second trimester of 2017. The directive mandates inspections and potential replacements to prevent bearing lubrication failure.

Jun 23, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2020-0095

Doors — Sliding Door Star Support — Modification

EASA Airworthiness Directive 2020-0095 is issued for Airbus Helicopters EC 120 B and EC 130 B4 models to address issues with the sliding door star support. The directive applies to specific serial numbers and affected sliding door parts with part numbers C526A2370101 and C526S1101051. It mandates modifications to the door locking and unlocking mechanism to ensure safe evacuation.

Apr 29, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters EC 130 B4

EASA AD 2011-0164R3

Rotors Flight Control — Tail Rotor Control Stop Screws — Inspection

The document titled Rotors Flight Control — Tail Rotor Control Stop Screws — Inspection is an airworthiness directive applicable to AIRBUS HELICOPTERS models AS 350, EC 130, and AS 355. It addresses the inspection requirements for the tail rotor control stop screws to ensure continued safe operation of these helicopter models. The directive aims to prevent potential flight control issues related to the tail rotor system.

Apr 7, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2020-0069

Doors — Sliding Door Opening Mechanism — Inspection / Modification

EASA Airworthiness Directive 2020-0069 is an airworthiness directive addressing the sliding door opening mechanism on Airbus Helicopters EC 130 B4 models. It mandates inspections and modifications to the left-hand side cabin sliding door latch to prevent in-flight detachment and potential damage or injury. The directive applies to all serial numbers of the EC 130 B4 helicopter and includes specific inspection and modification instructions.

Mar 24, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 130 B4

EASA AD 2020-0064

Equipment / Furnishings — Emergency Flotation System / Inflation Hoses — Inspection

EASA Airworthiness Directive 2020-0064 is an airworthiness directive addressing the inspection of emergency flotation systems and inflation hoses installed on various Airbus Helicopters models including MBB-BK117, EC 135, EC 120 B, EC 175, AS 332, AS 350, EC 130, AS 355, SA 365, AS 365, and EC 155 helicopters. The directive mandates inspection and possible replacement of affected float supply hoses to ensure proper inflation of emergency flotation devices. It applies to specific part numbers and serial numbers as detailed in the associated service bulletins.

Mar 19, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 BAirbus Helicopters EC175Airbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117Airbus Helicopters EC 135Airbus Helicopters EC 175Airbus Helicopters SA 365

EASA AD US-2020-02-23

Equipment / Furnishings - Emergency Float Kit Pull Cables - Inspection

Federal Aviation Administration Airworthiness Directive 2020-02-23 is a final rule addressing certain Airbus Helicopters models AS350B series and AS355 series equipped with emergency float kits. It mandates repetitive inspections of the pull cable installation on the emergency float kits to ensure proper activation of the float inflation system. This directive aims to prevent asymmetric float inflation or failure to deploy, which could lead to capsizing during water landings.

Feb 21, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters AS350BAirbus Helicopters AS355

EASA AD 2019-0280

Main Rotor — Spherical Bearing — Inspection / Time Limit

EASA Airworthiness Directive 2019-0280 is an airworthiness directive issued for Airbus Helicopters AS 350 BB models. It addresses the inspection and life limit requirements for the main rotor spherical thrust bearing, part number 579085. The directive mandates inspections and replacement of these bearings to ensure continued airworthiness.

Nov 19, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 350 BB

EASA AD US-2019-16-16

Engine Air Intake System - Rotorcraft Flight Manual Supplement - Revision

The Federal Aviation Administration (FAA) Airworthiness Directive 2019-16-16 is a final rule superseding AD 2018-18-12 concerning Airbus Helicopters Model AS350B, AS350B1, AS350B2, AS350B3, and AS350BA equipped with certain Pall Aerospace Inlet Barrier Filter (IBF) elements. This directive addresses unsafe conditions related to water ingestion by the engine due to affected IBF elements, which can cause engine flameout and loss of helicopter control. The AD expands applicability to additional IBF part numbers and prohibits reinstalling removed filters or installing affected filters on any helicopter.

Sep 12, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS350BAirbus Helicopters AS350B1Airbus Helicopters AS350B2Airbus Helicopters AS350B3Airbus Helicopters AS350BA

EASA AD 2019-0228

Equipment / Furnishings — Electric Hoist Installation — Modification

EASA Airworthiness Directive 2019-0228 addresses the electric hoist installation modification on Airbus Helicopters AS 350 and AS 355 models. It targets electric hoists manufactured by BREEZE, TRW, LUCAS, or AIR EQUIPEMENT installed with specific hoist boxes, ensuring proper electrical modifications are applied to guarantee emergency release functionality. The directive mandates verification and correction of the hoist electrical system to prevent failure in emergency cable release.

Sep 12, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355

EASA AD 2019-0225-E

Main Rotor Drive - Main Gearbox Drive Shaft / Engine Coupling - Inspection

EASA Airworthiness Directive 2019-0225-E is an emergency directive addressing the inspection of the main gearbox drive shaft and engine coupling on Airbus Helicopters AS 350 B3 and EC 130 T2 models equipped with SAFRAN ARRIEL 2D engines. It mandates a one-time visual inspection of the affected parts on helicopters with less than 300 flight hours since first flight. The directive aims to ensure continued airworthiness following an accident involving an AS 350 B3 helicopter.

Sep 11, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 350 B3Airbus Helicopters EC 130 T2