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EASA Regulations for Leonardo S.P.A. Helicopters AB139

46 airworthiness directives and regulations affecting Leonardo S.P.A. Helicopters AB139.

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New ADs and bulletins for Leonardo S.P.A. Helicopters AB139, summarized like the ones below, every Monday.

EASA AD 2020-0271R1

Main Rotor – Swashplate Boot – Inspection

EASA Airworthiness Directive 2020-0271R1 is an updated regulation addressing inspection requirements for the main rotor swashplate boot on Leonardo S.p.A. AB139, AW139, and AW189 helicopters. It focuses on the inspection and maintenance of the affected main rotor swashplate boot part number 3G6230V00251 and its bonded stainless steel external rings to prevent in-flight failures. The directive mandates detailed inspections and adhesive restoration to ensure continued airworthiness.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo S.P.A. Helicopters AW189
Leonardo AB139
Leonardo AW139
Leonardo AW189

EASA AD 2025-0094R2

Electrical Power – Overhead Panel Wires Interference – Inspection / Modification

EASA Airworthiness Directive 2025-0094R2 is an updated regulatory requirement addressing electrical power overhead panel wire interference in Leonardo S.p.A. AB139 and AW139 helicopters. It mandates inspections and modifications to detect and correct potential interference and damage between electrical cables and connectors in the overhead panel, which could lead to fire and loss of helicopter control. The directive applies to specific serial number ranges of these helicopter models.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2026-0165

Engine Exhaust – Nozzle Exhaust Duct Clamp Assembly – Inspection

EASA Airworthiness Directive 2026-0165 is an airworthiness directive addressing the inspection of nozzle exhaust duct clamp assemblies on Leonardo S.p.A. AB139 and AW139 helicopters. It applies to specific serial numbers of these helicopter models and targets clamp assemblies with part numbers 3P7115A10751 or BAS238-6-1300. The directive mandates repetitive inspections to detect damage or cracks that could compromise tail rotor drive shaft safety.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2025-0094R1

Electrical Power – Overhead Panel Wires Interference – Inspection / Modification

EASA Airworthiness Directive 2025-0094R1 is issued for Leonardo S.p.A. AB139 and AW139 helicopters, addressing interference issues between electrical cables and connectors in the overhead panel. The directive mandates inspections and modifications to prevent potential cable damage that could lead to fire and loss of helicopter control. It applies to all serial numbers from 31201 onward, focusing on Long Nose helicopter configurations.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2026-0003

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2026-0003 is an amendment concerning the time limits and maintenance checks specified in the Airworthiness Limitations Section for Leonardo S.p.A. AB139 and AW139 helicopters. This directive updates the mandatory maintenance tasks and life limits as defined in the Leonardo Maintenance Manual, ensuring continued airworthiness of these helicopter models.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139

EASA AD 2025-0163

Rotors Flight Control — Brake Pedal Assembly — Inspection

The Rotors Flight Control — Brake Pedal Assembly — Inspection document addresses inspection requirements for the brake pedal assembly on LEONARDO S.p.A. helicopters, specifically the AB139, AW139, and AW189 models. It provides guidance to ensure the continued airworthiness and safety of the rotor flight control system components related to braking.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo S.P.A. Helicopters AW189

EASA AD 2015-0226R8

Equipment / Furnishings — Hoist — Test / Replacement

EASA Airworthiness Directive 2015-0226R8 is a regulatory document addressing the inspection, testing, and replacement requirements for Goodrich externally mounted rescue hoists installed on various helicopter models including Leonardo AW109SP, AB139, AW139, AB412; Bell Textron 212, 214, 412, 429, 430; Airbus Helicopters AS 365 N3, AS 332 L2, EC225 LP, MBB-BK117 C-2, EC135, EC635; MD Helicopters MD900; and Sikorsky S-61, S-76, and S-92A. The directive mandates load checks, cable replacements, and overload clutch replacements to ensure continued airworthiness and safety of hoist operations.

Airworthiness Directive

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
Bell 429
Bell 430
Bell Textron Inc. (Bti) 212
Bell Textron Inc. (Bti) 412
Leonardo S.P.A. Helicopters A109
Leonardo S.P.A. Helicopters A119
Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo S.P.A. Helicopters AB212
Leonardo S.P.A. Helicopters AB412
Md Helicopters Inc (Mdhi) MD900
Mcdermott 214 Holdings, 214
Sikorsky S-61
Sikorsky S-76
Sikorsky S-92

EASA AD 2024-0228

[Correction] Equipment / Furnishings — Hoist — Inspection

EASA Airworthiness Directive 2024-0228 is a safety directive affecting Leonardo S.p.A. helicopters including models AB412, A109E, A109K2, A109S, AB139, and AW139. It mandates inspection of specific rescue hoist cable assemblies due to a potential defect in the ball end caused by a testing tool issue at Breeze-Eastern's facility. The directive applies to all serial numbers of the listed helicopter models and requires compliance with Leonardo Emergency Alert Service Bulletins.

Airworthiness Directive

Leonardo S.P.A. Helicopters A109
Leonardo S.P.A. Helicopters A119
Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo S.P.A. Helicopters AB212
Leonardo S.P.A. Helicopters AB412

EASA AD 2025-0051R1

Equipment / Furnishings — Hoist — Replacement

EASA Airworthiness Directive 2025-0051R1 is a regulatory update addressing the replacement of rescue hoist assemblies on various Airbus Helicopters and Leonardo helicopter models, including the H160-B, EC 225 LP, EC 175 B, AS 332 L2, AS 365 N3, EC135, MBB-BK117, AW109SP, AB139, AW139, AW169, and AW189. The directive mandates inspections and replacement of affected hoist assemblies due to potential non-conformant overload clutch assemblies that could lead to hoist failure. This AD applies to all serial numbers of the listed helicopter models and specifies affected part numbers and serviceable part criteria.

Airworthiness Directive

Airbus Helicopters EC175
Airbus Helicopters H160
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
Leonardo S.P.A. Helicopters A109
Leonardo S.P.A. Helicopters A119
Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo S.P.A. Helicopters AW169
Leonardo S.P.A. Helicopters AW189

EASA AD 2025-0094

Electrical Power — Overhead Panel Wires Interference — Inspection / Modification

EASA Airworthiness Directive 2025-0094 is an official regulatory document addressing electrical power system safety on Leonardo S.p.A. AB139 and AW139 helicopters. It mandates inspections and modifications to the overhead panel wiring to prevent interference between cables and connectors that could lead to cable damage, fire, and loss of helicopter control. The directive applies to all serial numbers of these helicopter models.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139

EASA AD 2024-0211-E

Main Landing Gear — Main Landing Gear Shock Absorber — Inspection

EASA Airworthiness Directive 2024-0211-E is an emergency directive addressing the inspection of main landing gear shock absorber assemblies on Leonardo AB139 and AW139 helicopters. It mandates repetitive ultrasonic inspections of specific affected parts with part numbers 3G3210V00333 and 3G3210V01031 to detect fatigue cracking. The directive applies to all serial numbers of these helicopter models and aims to prevent structural failure of the main landing gear.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139

EASA AD 2024-0088

[Correction] Placards and Markings — Rear Facing Seat(s) — Placard Installation

EASA Airworthiness Directive 2024-0088 is a safety directive addressing placard installation for rear facing seats on Leonardo AB139 and AW139 helicopters modified under EASA Supplemental Type Certificates 10030095 and 10017198. The directive mandates new placards instructing occupants to lock the seat headrest in the highest position during take-off and landing. This applies specifically to certain serial-numbered helicopters modified by Mecaer Aviation Group VIP Interiors.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2024-0084-E

Main Landing Gear – Main Landing Gear Shock Absorber – Inspection

EASA Airworthiness Directive 2024-0084-E is an emergency directive addressing the main landing gear shock absorber assemblies on Leonardo AB139 and AW139 helicopters. It mandates repetitive ultrasonic inspections to detect fatigue cracking in specific shock absorber parts with part numbers 3G3210V00333 and 3G3210V01031. The directive aims to prevent structural failure of the main landing gear that could lead to helicopter damage or occupant injury.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2023-0101

Equipment/Furnishings — Life Raft Inflation System — Replacement

EASA Airworthiness Directive 2023-0101 is an airworthiness directive issued by EASA affecting Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the replacement of certain life raft inflation systems with specific part numbers that have been identified as potentially damaged due to improper shipment. The directive mandates replacement of affected life raft inflation systems to ensure safe evacuation capability.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2023-0088

Placards and Markings — Stretcher Unit / Placard — Installation

EASA Airworthiness Directive 2023-0088 is an airworthiness directive addressing the installation of placards on the 3-stretcher unit assembly installed on Leonardo AB139 and AW139 helicopters modified by Aerolite AG STC 10017231 or EASA.R.S.01403. The directive applies to specific serial numbers of the 3-stretcher unit and affected stretchers, requiring placard installation to indicate occupant weight limits. It aims to ensure continued airworthiness and safety by mitigating risks associated with a design deficiency in the stretcher units.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2023-0071-E

Main Rotor — Pitch Link Upper Rod End Assembly — Inspection

EASA Airworthiness Directive 2023-0071-E is an emergency directive addressing the inspection of the main rotor pitch link upper rod end assembly with Part Number 3G6230A01133 installed on Leonardo AB139 and AW139 helicopters. It mandates a one-time dimensional check of affected parts to detect incorrect bearing installation that could lead to part fracture and potential loss of helicopter control. This directive applies to all serial numbers of the specified helicopter models.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0209-E

Harness Installation — Forward Roof Area — Inspection

EASA Airworthiness Directive 2022-0209-E is an emergency directive addressing a potential fire hazard in Leonardo AB139 and AW139 helicopters. It mandates inspections of the harness installation in the forward roof area, specifically focusing on electrical cable routing, the collective torque tube, and diode components. The directive applies to specific serial numbers of AB139 and AW139 helicopters and aims to prevent electrical short circuits that could lead to fire and loss of control.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0205

Tail Rotor — Damper Bracket — Inspection

EASA Airworthiness Directive 2022-0205 is an airworthiness directive addressing inspection requirements for the tail rotor damper bracket assemblies on Leonardo AB139 and AW139 helicopters. It applies to parts with Part Numbers 3G6420A06131 and 4G6420A04432, covering all serial numbers. The directive mandates repetitive detailed visual inspections to detect cracks and corrosion that could compromise tail rotor damper integrity.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0182-E

Tail Rotor — Duplex Bearings — Inspection / Replacement; Rotor Flight Control — Tail Rotor Actuator — Inspection / Replacement

EASA Airworthiness Directive 2022-0182-E is an emergency directive addressing inspection and replacement requirements for tail rotor duplex bearings and tail rotor actuators on Leonardo AB139 and AW139 helicopters. It mandates inspections and corrective actions for specific part numbers of tail rotor duplex bearings and tail rotor actuators to prevent potential structural failure. The directive applies to all serial numbers of AB139 and AW139 helicopters.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0154

Tail Rotor – Damper Bracket – Inspection

EASA Airworthiness Directive 2022-0154 is an airworthiness directive issued for Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the inspection and potential replacement of tail rotor damper bracket assemblies with part number 3G6420A06131 due to detected cracks caused by stress corrosion. The directive mandates repetitive inspections and corrective actions to ensure continued safe operation of affected helicopters.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139