EASA Regulations for Leonardo A109S

14 airworthiness directives and regulations affecting Leonardo A109S.

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New ADs and bulletins for Leonardo A109S, summarized like the ones below, every Monday.

EASA AD 2024-0004R1

Aug 10, 2026

Fuselage – Centre Fuselage Frame Assembly – Inspection / Repair / Modification

EASA Airworthiness Directive 2024-0004R1 is an updated regulation addressing inspection, repair, and modification requirements for the centre fuselage frame assembly on Leonardo S.p.A. A109 helicopters, including A109E, A109S (up to serial number 22199), and A109LUH models. The directive mandates repetitive inspections and structural reinforcement to ensure the integrity of the fuselage frame at station 1815, where cracks have been reported. It applies to all serial numbers within the specified helicopter models.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109
  • Leonardo A109E
  • Leonardo A109S
  • Leonardo A109LUH

EASA PAD 26-088

Jul 23, 2026

Tail Rotor Drive – Tail Gear Box and Chip Detector – Inspection

EASA Airworthiness Directive Proposal 26-088 is a regulatory document addressing inspection requirements for the tail rotor drive tail gear box (TGB) and chip detector on Leonardo S.p.A. helicopters, specifically models A109AII, A109C, A109E, A109K2, A109LUH, A109S, and AW109SP. The directive targets TGB assemblies with part number 109-0442-01 manufactured by Turbomecanica, requiring repetitive inspections to detect abnormal wear. This directive aims to ensure continued airworthiness and safety of the affected helicopter models.

Proposed AD
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109AII
  • Leonardo A109C
  • Leonardo A109E
  • Leonardo A109K2
  • Leonardo A109LUH
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2026-0115

Jun 15, 2026

Stabilizers – Torque Tube Assembly – Inspection

EASA Airworthiness Directive 2026-0115 is issued for Leonardo S.p.A. A109 series helicopters including A109A, A109AII, A109C, A109E, A109K2, A109LUH, A109S, and AW109SP models. It mandates inspections of the horizontal stabilizer torque tube assembly to detect debonding issues that could lead to cracks and potential loss of the horizontal stabilizer. The directive applies to specific part numbers and serial numbers of torque tube assemblies as detailed in the document.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109A
  • Leonardo A109AII
  • Leonardo A109C
  • Leonardo A109E
  • Leonardo A109K2
  • Leonardo A109LUH
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2023-0105

May 23, 2023

Tail Rotor — Tail Rotor Duplex Bearing Housing and Slider Group Assembly — Replacement

EASA Airworthiness Directive 2023-0105 is an airworthiness directive addressing the tail rotor duplex bearing housing and slider group assembly on Leonardo S.p.A. A109C, A109E, A109K2, A109LUH, A109S, and AW109SP helicopters. It applies to all serial numbers of these helicopter models and focuses on specific tail rotor parts identified by part numbers 109-0130-94-XXX and 109-0130-91-XXX. The directive mandates replacement and updated assembly procedures to ensure continued airworthiness.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109C
  • Leonardo A109E
  • Leonardo A109K2
  • Leonardo A109LUH
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2022-0153

Jul 28, 2022

Fuselage – Centre Fuselage Frame Assembly – Inspection / Repair

EASA Airworthiness Directive 2022-0153 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. A109E, A109S, and A109LUH helicopters. It mandates inspections and repairs of the centre fuselage frame assembly at station 1815 due to reported cracks that could compromise structural integrity. The directive applies to all serial numbers of A109E and A109LUH helicopters and A109S helicopters up to serial number 22199 inclusive.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109E
  • Leonardo A109S
  • Leonardo A109LUH

EASA AD 2022-0037

Mar 15, 2022

[Correction] Main Rotor System — Main Rotor Rotating Scissor Assembly — Inspection

EASA Airworthiness Directive 2022-0037 is a safety directive affecting Leonardo S.p.A. helicopters including models A109E, A109LUH, A109S, AW109SP, A119, and AW119MKII. It mandates inspections of the main rotor rotating scissor assembly components to detect excessive axial play and potential ball bearing dislodgement. The directive provides detailed inspection and corrective action procedures to ensure continued airworthiness of these helicopter models.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109E
  • Leonardo A109LUH
  • Leonardo A109S
  • Leonardo AW109SP
  • Leonardo A119
  • Leonardo AW119MKII

EASA AD 2021-0255

Nov 24, 2021

[Correction] Rotors Flight Control — Control Rods and Levers — Inspection

EASA Airworthiness Directive 2021-0255 is a safety directive addressing inspection requirements for control rods and levers in the rotors flight control system of Leonardo S.p.A. A109S helicopters equipped with TREKKER KIT (serial numbers 22735, 22736, 22737) and AW109SP helicopters (serial numbers 22407, 22408, 22409, 22412, 22414 to 22427, and 22429). The directive mandates inspection for foreign objects that could impede flight control movement.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2021-0144

Jun 17, 2021

Tail Rotor — Shaft Assembly — Inspection

EASA Airworthiness Directive 2021-0144 is an airworthiness directive addressing the inspection of tail rotor shaft assemblies on Leonardo S.p.A. A109 series helicopters, including models A109C, A109K2, A109E, A109S, and AW109SP. The directive mandates inspections and measurements of specific tail rotor sleeve assemblies and related components to detect cracks and prevent potential failure of the tail rotor mast.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109C
  • Leonardo A109K2
  • Leonardo A109E
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2016-0261R1

Feb 13, 2020

Fire Protection — Fire Extinguisher Bottles — Inspection / Replacement

EASA Airworthiness Directive 2016-0261R1 is a regulatory update addressing fire extinguisher bottles installed on Leonardo S.p.A. A109LUH, A109E, A109S, and AW109SP helicopters. The directive mandates inspections and potential replacement of fire extinguisher bottles Part Number 27300-1 due to a risk of fractured bypass outlet assemblies that could impair fire suppression capability in the engine area.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109LUH
  • Leonardo A109E
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2019-0294

Dec 4, 2019

Stabilizers — Vertical Fin Vibration Absorber — Inspection / Removal

EASA Airworthiness Directive 2019-0294 is an official regulatory document addressing the inspection and removal of the vertical fin vibration absorber on Leonardo S.p.A. A109S and AW109SP helicopters. It mandates inspections and corrective actions to address cracks and damage found on the vertical fin vibration absorber and surrounding structure. This directive applies to all serial numbers of the affected helicopter models and aims to ensure continued airworthiness and structural integrity.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2019-0182

Jul 26, 2019

Landing Gear — Enhanced Main Landing Gear Strut Assembly — Inspection

EASA Airworthiness Directive 2019-0182 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Leonardo S.p.A. A109 helicopters, specifically the A109E, A109LUH, A109S, and AW109SP models. It addresses inspection requirements for the enhanced main landing gear strut assemblies with certain part numbers and serial numbers due to reported failures. The directive mandates repetitive inspections and corrosion prevention measures to ensure continued airworthiness.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109E
  • Leonardo A109LUH
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2018-0205

Sep 14, 2018

Main Rotor — Floating Ring Assembly — Inspection / Replacement

EASA Airworthiness Directive 2018-0205 is an airworthiness directive addressing the inspection and replacement of the main rotor floating ring assembly on Leonardo S.p.A. A109 and A119 helicopter models, including variants A109E, A109S, A109LUH, AW109SP, AW119MKII, and A119. The directive targets specific floating ring assemblies with certain part and serial numbers due to potential defects.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109
  • Leonardo A119
  • Leonardo A109E
  • Leonardo A109S
  • Leonardo A109LUH
  • Leonardo AW109SP
  • Leonardo AW119MKII

EASA AD 2018-0149-E

Jul 13, 2018

Electrical Power — Electrical Cables — Inspection / Modification

EASA Airworthiness Directive 2018-0149-E is an emergency directive addressing electrical cable inspection and modification requirements for Leonardo S.p.A. A109S and AW109SP helicopters. It targets specific serial numbers of these helicopter models due to fire incidents caused by chafing electrical wiring in the baggage compartment. The directive mandates inspections, modifications, and operational limitations to prevent fire hazards.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109S
  • Leonardo AW109SP

EASA AD 2018-0120-E

May 29, 2018

Fuselage – Baggage Fairings – Modification

EASA Airworthiness Directive 2018-0120-E is an emergency directive affecting Leonardo S.p.A. A109S and AW109SP helicopters. It addresses a safety issue related to wire chafing that could cause fire and smoke in the baggage compartment, posing a risk of loss of control. The directive mandates modifications to the baggage fairing assembly and temporary operational restrictions until the modification is completed.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109S
  • Leonardo AW109SP