EASA Regulations for Leonardo A109

14 airworthiness directives and regulations affecting Leonardo A109.

Get the next one by email

New ADs and bulletins for Leonardo A109, summarized like the ones below, every Monday.

EASA AD 2026-0168

Aug 24, 2026

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

EASA Airworthiness Directive 2026-0168 is issued for Leonardo S.p.A. A109 series helicopters and AW109SP models, addressing inspection requirements for the tail rotor drive's tail gear box (TGB) and chip detector. This directive applies to all serial numbers of the affected helicopter models equipped with specific Turbomecanica-manufactured TGB case assemblies. The AD mandates repetitive inspections, cleaning, and operational tests to detect abnormal wear and prevent potential failure of the tail gear box.

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

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 AD 2024-0193

Oct 11, 2024

Fire Protection — Engine Fire Extinguisher Bottle Connections — Inspection

EASA Airworthiness Directive 2024-0193 is an airworthiness directive addressing the inspection of engine fire extinguisher bottle connections on Leonardo S.p.A. A109 series helicopters, including A109E, A109LUH, A109S, and AW109SP models. The directive mandates inspection of motor cables and bonding braids related to the engine fire extinguishing system to ensure correct installation and functionality.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109
  • Leonardo AW109

EASA AD 2024-0150

Jul 30, 2024

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2024-0150 is an amendment addressing the time limits and maintenance checks in the Airworthiness Limitations Section for SAFRAN Helicopter Engines ARRIUS 2K2 engines, commonly installed on Leonardo A109 helicopters. This directive mandates compliance with updated maintenance tasks and life limits as specified in the latest SAFRAN Arrius 2K2 Maintenance Manual. It ensures continued airworthiness by enforcing new or more restrictive maintenance requirements.

Airworthiness Directive
  • Safran ARRIUS 2
  • Leonardo A109

EASA AD 2024-0004

Jan 5, 2024

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

EASA Airworthiness Directive 2024-0004 is an airworthiness directive addressing inspection, repair, and modification of the centre fuselage frame assembly on Leonardo S.p.A. A109 helicopters, including A109E, A109S (up to serial number 22199), and A109LUH models. It mandates inspections for cracks in the fuselage frame at station 1815 and requires corrective actions or modifications to maintain structural integrity.

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

EASA AD 2023-0159

Aug 10, 2023

Main Rotor — Main Rotor Blade Tip Caps — Inspection / Replacement

EASA Airworthiness Directive 2023-0159 is an airworthiness directive addressing the inspection and replacement of main rotor blade tip caps on Leonardo S.p.A. A109 series helicopters, including A109C, A109E, A109S, and AW109SP models. The directive targets specific main rotor blade assemblies identified by part and serial numbers that may have tip caps improperly installed, risking detachment during flight.

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

EASA AD US-2023-01-02

Jan 25, 2023

Equipment / Furnishings - Float Assemblies - Repair / Replacement

The Federal Aviation Administration's Airworthiness Directive 2023-01-02 addresses certain Leonardo S.p.a. Model A109 series helicopters and AW109SP helicopters modified by Supplemental Type Certificate SR01812LA with DART Aerospace 634.4100 Kit Series float assemblies. This directive mandates repair or replacement of specific float assemblies due to a faulty plunger assembly that can prevent float deployment. The AD aims to ensure safe emergency water landings by correcting this unsafe condition.

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

EASA AD 2020-0033R1

Dec 10, 2021

Engine Fuel & Control — Hydro-mechanical Metering Unit / Drive Link Splines — Inspection

EASA Airworthiness Directive 2020-0033R1 is an updated safety directive addressing the inspection of hydro-mechanical metering units (HMU) and drive link splines on SAFRAN Helicopter Engines ARRIUS 2 series engines. These engines are commonly installed on helicopters such as the Airbus Helicopters Deutschland EC135, Leonardo A109, and KAMOV 226T. The directive mandates inspections to prevent engine in-flight shutdowns caused by spline deterioration on the HMU drive shaft.

Airworthiness Directive
  • Safran ARRIUS 2
  • Airbus Helicopters EC135
  • Leonardo A109
  • Kamov 226T

EASA AD 2021-0067

Mar 9, 2021

Main Rotor Drive — Rotor Brake Control Cable — Inspection

EASA Airworthiness Directive 2021-0067 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. A109 and AW109 helicopter models equipped with specific rotor brake kits and control cables. The directive mandates inspections of the main rotor drive rotor brake control cable to prevent uncommanded activation of the rotor brake system.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo A109
  • Leonardo AW109

EASA AD 2021-0065

Mar 8, 2021

Electrical Power — Wiring Protection — Modification

Electrical Power — Wiring Protection — Modification is a regulatory document concerning Leonardo S.p.A. Helicopters models A109 and A119. It addresses modifications related to the electrical power wiring protection systems on these specific helicopter types. The document aims to ensure continued airworthiness and safety by updating wiring protection standards.

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

EASA AD 2020-0142

Jun 25, 2020

Tail Rotor Drive — Slider Assembly Pitch Control — Inspection / Replacement

The document titled 'Tail Rotor Drive — Slider Assembly Pitch Control — Inspection / Replacement' is an airworthiness directive applicable to LEONARDO S.p.A. HELICOPTERS models A109 and A119. It addresses inspection and replacement procedures for the tail rotor drive slider assembly pitch control components to ensure continued airworthiness and safety. The directive provides guidance on maintaining the integrity of these critical helicopter parts.

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

EASA AD 2018-0280

Dec 17, 2018

Rotors Flight Control — Mixing Control System Rigid Connecting Link — Inspection

EASA Airworthiness Directive 2018-0280 is an airworthiness directive addressing the inspection of the mixing control system rigid connecting links on Leonardo S.p.A. A109 and A119 helicopter models, including variants such as A109A, A109E, AW109SP, and AW119MKII. The directive mandates a one-time visual inspection of specific rigid connecting links with part numbers 109-0032-01-13, 109-0032-01-17, and 109-0032-01-29 for damage, cracking, or play.

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

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 2007-0045-CN

Jan 24, 2018

CANCELLED: Engines Formerly Used by Non-Civil Operators — Civil Use

EASA Airworthiness Directive Cancellation Notice 2007-0045-CN cancels the previous directive EASA AD 2007-0045 concerning ARRIEL 1 series engines formerly used by non-civil operators such as military users. These engines are installed on helicopters including Airbus Helicopters AS 350, AS 365, SA 365, MBB BK-117, Leonardo A109, and Sikorsky S-76. The cancellation reflects a change in regulatory approach regarding the airworthiness of these engines for civil use.

Airworthiness Directive
  • Safran ARRIEL 1
  • Airbus Helicopters AS 350
  • Airbus Helicopters AS 365
  • Airbus Helicopters SA 365
  • MBB BK-117
  • Leonardo A109
  • Sikorsky S-76