EASA Regulations for Airbus Helicopters AS 350

98 airworthiness directives and regulations affecting Airbus Helicopters AS 350.

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 2021-0195

Aug 20, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 350 B3
  • Airbus Helicopters EC 130 T2

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 2021-0168

Jul 16, 2021

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters AS350 B2
  • Airbus Helicopters AS350 B3
  • Airbus Helicopters EC130 B4
  • Airbus Helicopters EC120 B

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 2021-0123-E

May 7, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 350 B
  • Airbus Helicopters AS 350 B2
  • Airbus Helicopters AS 350 B3
  • Airbus Helicopters AS 350 BA

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

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.

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 2021-0023

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

EASA AD 2020-0224R1

Nov 11, 2020

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.

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

EASA AD 2020-0217-E

Oct 6, 2020

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.

Airworthiness DirectiveSuperseded
  • 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 B1
  • Airbus Helicopters AS 350 B2
  • 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

EASA AD 2020-0187

Aug 21, 2020

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 130 B4
  • Airbus Helicopters EC 130 T2

EASA AD 2020-0186

Aug 20, 2020

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.

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

EASA AD 2017-0089R1

Jun 23, 2020

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.

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

EASA AD 2020-0095

Apr 29, 2020

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC 130 B4

EASA AD 2011-0164R3

Apr 7, 2020

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.

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

EASA AD 2020-0069

Mar 24, 2020

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 130 B4

EASA AD 2020-0064

Mar 19, 2020

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175
  • 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 EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117
  • Airbus Helicopters EC 135
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365

EASA AD US-2020-02-23

Feb 21, 2020

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS350B
  • Airbus Helicopters AS355

EASA AD 2019-0280

Nov 19, 2019

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.

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