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EASA Regulations for Airbus Helicopters EC 175 B

39 airworthiness directives and regulations affecting Airbus Helicopters EC 175 B.

EASA AD 2026-0110

Fuselage – Screws and Nuts installed on Firewalls – Inspection

EASA Airworthiness Directive 2026-0110 is an airworthiness directive issued for Airbus Helicopters EC 175 B helicopters manufactured before 19 November 2025. It mandates inspection of screws and nuts installed on the firewalls between the engine compartment and the electronic engine control units (EECU) and main gearbox (MGB) compartments for incorrectly applied high-temperature sealant. The directive aims to prevent potential fire hazards caused by improper sealant application on these components.

Jun 9, 2026
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2024-0184

Landing Gear — Nose Landing Gear A-Frame / Airframe Junctions — Inspection / Modification

EASA Airworthiness Directive 2024-0184 is an airworthiness directive affecting Airbus Helicopters EC 175 B models. It addresses inspection and modification requirements for the nose landing gear A-frame and airframe junctions, specifically targeting tab washers and trailing arm pins to prevent potential detachment of the nose landing gear A-frame. The directive mandates inspections and modifications to ensure continued airworthiness and safe landing capability.

Sep 20, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2024-0177

SUPERSEDED BY EASA AD 2026-0039

EASA Airworthiness Directive 2024-0177 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 175 B models. It mandates compliance with the updated Airworthiness Limitations Section (ALS) Revision 024 to ensure continued airworthiness of these helicopters. The directive consolidates and supersedes previous ADs related to maintenance tasks and life limits for critical components.

Sep 13, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2024-0146

Fuel — Fuel Tanks — Mounting Plates of Fuel Tank Bleed Valves — Inspection / Repair / Replacement / Modification

EASA Airworthiness Directive 2024-0146 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models. It addresses corrosion issues found on the mounting plates of fuel tank bleed valves installed on specific flexible fuel tanks with part numbers 509505-5, 509506-5, 509507-4, and 509510-5. The directive mandates inspection, repair, replacement, and modification of these parts to ensure continued airworthiness.

Jul 29, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2024-0064R1

Stabilizers — Horizontal Stabilizer — Replacement

EASA Airworthiness Directive 2024-0064R1 is an updated regulatory requirement addressing the replacement of horizontal stabilizers on Airbus Helicopters EC 175 B models. It applies to all serial numbers of the EC 175 B and targets specific part numbers of horizontal stabilizers, fittings, and bolts. The directive mandates inspections and modifications to prevent potential loss of the horizontal stabilizer due to cracks, which could lead to loss of control of the helicopter.

Mar 18, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2024-0050

Doors — Cargo Doors Closing Mechanism — Inspection

EASA Airworthiness Directive 2024-0050 is an airworthiness directive addressing the inspection of cargo doors closing mechanisms on Airbus Helicopters EC 175 B models. It focuses on specific left-hand and right-hand cargo doors with certain part numbers related to the closing mechanism attachment. The directive mandates repetitive inspections to detect corrosion and fatigue in the door closing springs to prevent potential in-flight door opening.

Feb 22, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2023-0182-E

SUPERSEDED BY EASA AD 2024-0177

EASA Airworthiness Directive 2023-0182-E is an emergency directive addressing Airbus Helicopters EC 175 B models equipped with specific Emergency Rescue Hoist systems (MP/N 42325-16-6 or MP/N 42325-19-106). It mandates updated maintenance requirements including overhaul and functional checks of the rescue hoist to ensure continued airworthiness. The directive applies to all serial numbers of the EC 175 B helicopter type certificate EASA.R.150 S.

Oct 17, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2023-0129

Doors — Bad Weather Windows Emergency Exit Mechanisms — Inspection

EASA Airworthiness Directive 2023-0129 is an airworthiness directive issued for Airbus Helicopters EC 175 B models. It addresses inspection requirements for cockpit door bad weather windows and emergency exit jettison mechanisms to ensure proper functionality. The directive applies to all serial numbers of EC 175 B helicopters with affected parts produced before 20 April 2023.

Jun 29, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2023-0069

Fire Protection — Rear Engine Cowling Sight Glasses — Replacement

EASA Airworthiness Directive 2023-0069 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters EC 175 B models. It addresses the replacement of rear engine cowling sight glasses that are not fire-proof, which affects all EC 175 B helicopters except those with modification 99A06348 installed. The directive mandates replacing these sight glasses with redesigned fire-proof parts to enhance fire protection.

Mar 30, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2021-0178R2

SUPERSEDED BY EASA AD 2024-0064

EASA Airworthiness Directive 2021-0178R2 is an updated safety directive addressing the horizontal stabilizer on Airbus Helicopters EC 175 B models. It mandates inspections and modifications to detect and correct cracks in the horizontal stabilizer main spar to prevent potential loss of control. This directive applies to all EC 175 B helicopters except those with modification 99A05341 installed during production.

Jan 30, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2022-0121

SUPERSEDED BY EASA AD 2025-0196

EASA Airworthiness Directive 2022-0121 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models. It addresses an issue with the engine fire control panel wiring that prevents the actuation of the second fire extinguishing bottle for engine 2 under certain configurations. This directive mandates a wiring modification to restore normal fire extinguishing system functionality.

Jun 23, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2022-0099

SUPERSEDED BY EASA AD 2024-0064

EASA Airworthiness Directive 2022-0099 is an airworthiness directive addressing Airbus Helicopters EC 175 B models. It focuses on inspection, clearance checks, and modifications related to the horizontal stabilizer attachment bolts and fittings to prevent potential in-flight loss of the horizontal stabilizer. The directive applies to all EC 175 B helicopters except those modified with AH mod 9U9A05341.

Jun 1, 2022
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2021-0240

Rotors Flight Control — Main / Tail Servo Control Systems — Replacement

EASA Airworthiness Directive 2021-0240 is an airworthiness directive affecting all serial numbers of Airbus Helicopters EC 175 B helicopters. It addresses the main and tail rotor servo control systems, specifically the Main Servo Control System (P/N M673A80A1005) and Tail Servo Control System (P/N M673A80A1006). The directive mandates replacement of certain affected servo control parts to ensure continued airworthiness.

Nov 5, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2021-0215-E

SUPERSEDED BY EASA AD 2026-0039

EASA Airworthiness Directive 2021-0215-E is an emergency directive addressing safety concerns for Airbus Helicopters EC 175 B models. It mandates inspections and potential replacement of specific tail rotor pitch rods identified by part numbers M642A10T1005 and M642A10T1005E due to reported severe damage and abnormal vibrations during flight. This directive aims to prevent loss of helicopter control by ensuring the integrity of these critical components.

Sep 21, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2021-0192

SUPERSEDED BY EASA AD 2025-0227

EASA Airworthiness Directive 2021-0192 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models. It addresses the service life limits of the main rotor upper and lower H legs, specifically parts M623A4201101 and M623A4231101, to prevent potential cracks due to aging. The directive mandates recording the manufacturing date and enforcing a retirement life of 10 years for these parts.

Aug 18, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2021-0188

Doors — Cargo Door Handle / Locking Mechanism — Inspection / Replacement

EASA Airworthiness Directive 2021-0188 is an airworthiness directive addressing the cargo door handle and locking mechanism on Airbus Helicopters EC 175 B models. It mandates inspections and replacement of the locking mechanism and handle to ensure proper operation and prevent in-flight cargo door opening. This directive applies to all EC 175 B helicopters except those with Airbus Helicopters modification 99A06087 incorporated during production.

Aug 9, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2019-0148R1

SUPERSEDED BY EASA AD 2021-0178

EASA Airworthiness Directive 2019-0148R1 is an updated safety directive affecting Airbus Helicopters EC 175 B models, excluding those with modification 99A05341. It mandates repetitive inspections of the horizontal stabilizer main spar to detect cracks that could lead to loss of control. This directive ensures continued airworthiness by requiring timely inspections and corrective actions.

Apr 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2020-0094R1

SUPERSEDED BY EASA AD 2021-0188

EASA Airworthiness Directive 2020-0094R1 is an updated safety directive addressing the cargo door locking mechanism on Airbus Helicopters EC 175 B models. It mandates inspections of the right-hand and left-hand cargo door locking mechanisms to prevent in-flight door opening due to locking failures. This directive applies to all EC 175 B helicopters except those with modification 99A06087 incorporated.

Apr 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2021-0038

SUPERSEDED BY EASA AD 2024-0177

EASA Airworthiness Directive 2021-0038 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 175 B models. It mandates compliance with updated airworthiness limitations and maintenance tasks related to specific lead lag damper components and associated parts. The directive ensures continued airworthiness by requiring recalculation of flight hours and torque cycles and adherence to revised maintenance intervals.

Jan 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B