EASA Regulations for Airbus Helicopters EC 120 B

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

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New ADs and bulletins for Airbus Helicopters EC 120 B, summarized like the ones below, every Monday.

EASA AD 2025-0159R1

Oct 19, 2026

Placards and Markings – Unlock Sliding Door – Installation

EASA Airworthiness Directive 2025-0159R1 is an updated regulatory requirement addressing the installation of safety placards and markings for unlocking sliding doors on Airbus Helicopters models AS 350, AS 355, EC 120, and EC 130. This directive applies to all serial numbers of these helicopters except certain EC 120 B models with specific serial numbers. The directive mandates the installation of additional safety labels to improve emergency exit instructions.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 350 B
  • Airbus Helicopters AS 350 B1
  • Airbus Helicopters AS 350 B2
  • Airbus Helicopters AS 350 B3
  • Airbus Helicopters AS 350 BA
  • Airbus Helicopters AS 350 BB
  • Airbus Helicopters AS 350 D
  • Airbus Helicopters EC 130 B4
  • 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
  • Airbus Helicopters AS 355 NP
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC 120

EASA AD 2025-0159

Jul 24, 2025

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B

EASA AD 2024-0243

Dec 13, 2024

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

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 2024-0209

Oct 28, 2024

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

EASA AD 2020-0247-CN

Jul 1, 2024

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

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 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 2023-0083

Apr 19, 2023

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

EASA AD 2023-0036

Feb 13, 2023

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

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 2022-0053

Mar 23, 2022

Landing Gear — Skid-Type Landing Gear — Inspection

EASA Airworthiness Directive 2022-0053 is an airworthiness directive addressing the inspection of skid-type landing gear assemblies on Airbus Helicopters EC 120 B and EC 130 T2 and B4 models. It mandates a one-time external and internal inspection for corrosion and cracks on specified landing gear part numbers. The directive applies to all serial numbers of the affected helicopter models and includes detailed definitions of affected parts and sub-assemblies.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC 130 T2
  • Airbus Helicopters EC 130 B4

EASA AD 2007-0211-CN

Sep 23, 2021

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

EASA AD 2021-0168

Jul 16, 2021

Indicating / Recording Systems – Control Unit – Inspection

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 2021-0079

Mar 17, 2021

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

EASA AD 2021-0069

Mar 11, 2021

Tail Rotor – Hub Body – Inspection / Replacement

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC 120 B

EASA AD 2021-0046

Feb 12, 2021

Main Rotor – Hub Scissors / Attachment Bolts – Inspection / Replacement

EASA Airworthiness Directive 2021-0046 is an airworthiness directive issued for Airbus Helicopters EC 120 B helicopters affecting the main rotor hub scissors attachment bolts, part number C623A21101. It mandates inspections and marking of these bolts to detect corrosion and rotation issues that could lead to bolt detachment and loss of helicopter control.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC 120 B

EASA AD 2021-0015

Jan 13, 2021

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.

Airworthiness Directive
  • Airbus Helicopters EC 120 B

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