RegNotify

EASA Regulations for Airbus Helicopters EC 120 B

23 airworthiness directives and regulations affecting Airbus Helicopters EC 120 B.

EASA AD 2025-0159

Placards and Markings — Unlock Sliding Door — Installation

EASA Airworthiness Directive 2025-0159 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350, AS 355, EC 120, and EC 130 models. The directive addresses the installation of additional safety placards and markings for the sliding door unlock instructions on these helicopters. It applies to all serial numbers that have not incorporated modification 0720257.

Jul 24, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 B

EASA AD 2024-0243

Rotors Flight Control — Pilot Cyclic Stick Bonding Braid — Inspection

EASA Airworthiness Directive 2024-0243 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 120 B helicopters. It mandates inspection and securing of the pilot cyclic stick bonding braid to prevent flight control restrictions. The directive addresses a safety issue related to the bonding braid position on the pilot cyclic stick socket.

Dec 13, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA AD US-2024-20-07

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.

Nov 29, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters BO 105Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Bell 206Bell 407Bell Textron Inc. (Bti) 210Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Md Helicopters Inc (Mdhi) 369Md Helicopters Inc (Mdhi) 500NRobinson R44 (Raven)Robinson R66Sikorsky S-76

EASA AD 2024-0209

Tail Rotor — Hub Body — Inspection / Replacement

EASA Airworthiness Directive 2024-0209 is an airworthiness directive addressing the inspection and replacement of the tail rotor hub body on Airbus Helicopters EC 120 B helicopters. It applies to all serial numbers and focuses on Part Number C642A0100103, the tail rotor hub body, and its interface with the splined flange. The directive mandates inspections to detect cracks and fretting, replacement of affected parts, and a modification involving marking bolts and nuts with red paint.

Oct 28, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA AD 2020-0247-CN

CANCELLED: Landing Gear — Skid Tubes — Inspection / Rotorcraft Flight Manual — Section Limitations — Amendment

EASA Airworthiness Directive Cancellation Notice 2020-0247-CN cancels the previous EASA AD 2020-0247 which applied to Airbus Helicopters EC 120 B models. The original AD addressed inspection requirements and flight manual limitations related to cracks found in landing gear skid tubes after multiple autorotation landings. This cancellation reflects the introduction of improved skid designs that eliminate the unsafe condition.

Jul 1, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA AD 2024-0018

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.

Jan 11, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters AS 350 B2Airbus Helicopters AS 350 B3Airbus Helicopters EC 130 B4

EASA SIB 2023-11

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.

Oct 24, 2023
Safety Information BulletinMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 BAirbus Helicopters EC175Airbus Helicopters SA 341Airbus Helicopters 342Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155

EASA AD 2023-0166

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.

Aug 25, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters EC175

EASA AD 2023-0083

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2023-0083 is an amendment addressing the time limits and maintenance checks for Airbus Helicopters EC 120 B models. It mandates compliance with the updated Airworthiness Limitations Section (ALS) Revision 003 to ensure continued airworthiness. This directive applies to all serial numbers of the EC 120 B helicopter.

Apr 19, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA AD 2023-0036

Main Rotor — Hub Scissors Assembly / Attachment Bolts — Inspection / Replacement

EASA Airworthiness Directive 2023-0036 is an airworthiness directive addressing the inspection and replacement of main rotor hub scissors assembly attachment bolts on Airbus Helicopters EC 120 B models. It applies to all serial numbers of the EC 120 B helicopter and focuses on bolts with part numbers C623A2110104 and C623A2110105. The directive mandates inspections, markings, and potential replacement or modification of affected parts to ensure continued airworthiness.

Feb 13, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA SIB 2022-05

[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.

Jul 1, 2022
Safety Information BulletinSafety MgmtMaintenanceAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 B

EASA AD 2007-0211-CN

CANCELLED: Tail Rotor Drive — Rear Drive Shaft Friction Ring — Inspection / Replacement

EASA Airworthiness Directive Cancellation Notice 2007-0211-CN cancels the previous directive concerning inspection and replacement of the tail rotor drive rear drive shaft friction ring on Airbus Helicopters EC 120 B models fitted with specific part numbers C651A3102051 or C651A3102052. The cancellation follows new analyses confirming that standard maintenance inspections are sufficient to detect any displacement of the damper friction ring before failure occurs. This notice removes the mandatory repetitive checks previously required for these helicopters.

Sep 23, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

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 2021-0079

Tail Rotor — Blades — Inspection

EASA Airworthiness Directive 2021-0079 is an airworthiness directive issued for Airbus Helicopters EC 120 B models. It mandates inspection of specific forged tail rotor blades with certain part numbers to detect geometrical non-conformities that could lead to cracks and potential failure. The directive provides detailed inspection and replacement instructions to ensure continued airworthiness.

Mar 17, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA AD 2021-0069

SUPERSEDED BY EASA AD 2024-0209

EASA Airworthiness Directive 2021-0069 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 120 B helicopters. It addresses safety concerns related to the tail rotor hub body, specifically Part Number C642A0100103, requiring inspections and possible replacement to prevent loss of yaw control due to cracks and fretting. The directive mandates repetitive inspections and replacement of affected parts and associated hardware to ensure continued airworthiness.

Mar 11, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

EASA AD 2021-0015

Fuselage — Tail Boom — Inspection / Modification / Repair

EASA Airworthiness Directive 2021-0015 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 120 B models. It addresses corrosion found on the external tail boom skin under the VHF antenna, which could compromise the tail boom structure and potentially cause a helicopter rollover during landing. The directive mandates inspection, modification, and repair procedures to ensure continued airworthiness.

Jan 13, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B

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 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 2019-0272R1

SUPERSEDED BY EASA AD 2021-0069

EASA Airworthiness Directive 2019-0272R1 is an amendment addressing safety concerns for Airbus Helicopters EC 120 B models. It mandates inspections and potential replacement of the tail rotor hub body, part number C642A0100103, to prevent loss of tail rotor drive and yaw control. The directive includes detailed inspection and replacement procedures to ensure continued airworthiness.

Nov 18, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC 120 B