EASA Regulations for Airbus Helicopters AS 365

57 airworthiness directives and regulations affecting Airbus Helicopters AS 365.

EASA AD 2022-0006R2

Main Rotor Drive — Oil Cooling Fan Hub — Inspection / Replacement

EASA Airworthiness Directive 2022-0006R2 is an official regulatory document addressing the inspection and replacement of the main gearbox oil cooling fan hub on Airbus Helicopters EC 155 B1 models. It mandates repetitive inspections and corrective actions for the affected part, part number 365A32-9204-01, to prevent potential failure that could lead to loss of lubrication and reduced helicopter control.

Jan 31, 2022

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 B1

EASA AD 2021-0265

Power Plant — Cowlings — Inspection / Repainting

EASA Airworthiness Directive 2021-0265 is an airworthiness directive addressing Airbus Helicopters models AS 355, SA 365, AS 365, and EC 155. It mandates inspection and possible repainting or replacement of engine upper fixed cowlings with specific part numbers to prevent fire risks caused by finish paint applied over primer layers. The directive applies to all serial numbers of the affected helicopter models.

Nov 23, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 355Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2021-0225

Rotorcraft Flight Manual — Supplements / One-Engine Inoperative Performance Limitations — Amendment

The Rotorcraft Flight Manual — Supplements / One-Engine Inoperative Performance Limitations — Amendment is an EASA Airworthiness Directive 2021-0225 issued for Airbus Helicopters EC 155 B and EC 155 B1 models. This directive addresses discrepancies in the Rotorcraft Flight Manual related to stay-up flying capabilities under one-engine inoperative conditions, ensuring compliance with applicable airworthiness standards. It mandates updates to the flight manual limitations to include necessary performance and weight restrictions.

Oct 8, 2021

Airworthiness DirectiveFlight OpsSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2021-0170

Tail Rotor — Double Bearing — Inspection / Replacement

EASA Airworthiness Directive 2021-0170 is an airworthiness directive addressing inspection and replacement requirements for double bearings with Part Numbers 704A33-651-245 or 704A33-651-246 installed on tail rotor gearboxes (P/N 365A33-6005-09) of Airbus Helicopters AS 365 N2, AS 365 N3, EC 155 B, EC 155 B1, and SA 365 N1 models. The directive mandates repetitive inspections of the tail rotor gearbox chip detector and sets replacement intervals for affected parts to prevent loss of yaw control. It applies to all serial numbers of the specified helicopter models.

Jul 19, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters AS 365 N2Airbus Helicopters AS 365 N3Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1Airbus Helicopters SA 365 N1

EASA AD 2021-0048

SUPERSEDED BY EASA AD 2023-0064

EASA Airworthiness Directive 2021-0048 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters models AS 350, EC 130, AS 355, SA 365, and AS 365. It addresses a safety issue related to the main rotor pitch rod upper links, which if not corrected, could lead to loss of control of the helicopter. The directive mandates marking and repetitive inspections of these components to detect any loss of torque and prevent potential failures.

Feb 16, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2021-0041

SUPERSEDED BY EASA AD 2021-0101

EASA Airworthiness Directive 2021-0041 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters SA 365, AS 365, and EC 155 models equipped with certain emergency flotation systems and specific cabin layouts. The directive addresses safety concerns related to emergency evacuation difficulties caused by impaired cockpit-to-cabin passages in helicopters with VIP interiors and bulkheads. It mandates modifications to improve evacuation by installing external jettisoning systems and placards, along with amendments to the Rotorcraft Flight Manual emergency procedures.

Jan 28, 2021

Airworthiness DirectiveSafety MgmtMaintenanceFlight OpsAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2021-0016

Main Rotor Drive — Main Gearbox / Magnetic Plug and Oil Filter / Planet Gears — Inspection / Modification / Replacement

EASA Airworthiness Directive 2021-0016 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters SA 365 C1, C2, and C3 models. It addresses inspection, modification, and replacement requirements related to the main rotor drive main gearbox magnetic plug, oil filter, and planet gears. The directive aims to improve detection of planet gear spalling to prevent potential gearbox seizure and loss of helicopter control.

Jan 13, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365 C1Airbus Helicopters SA 365 C2Airbus Helicopters SA 365 C3

EASA AD 2020-0287

Tail Rotor Drive — Tail Rotor Drive Flange / Shaft Flexible Coupling — Inspection / Modification

EASA Airworthiness Directive 2020-0287 is an airworthiness directive affecting Airbus Helicopters models SA 365, AS 365, and EC 155 series. It addresses inspection and modification requirements for the tail rotor drive flange and shaft flexible coupling to prevent loosening of the shur-lok nut that retains the tail rotor drive flange on the main gearbox. The directive applies to helicopters with specific Airbus Helicopters modifications embodied and covers multiple groups of affected aircraft based on delivery dates and modification status.

Dec 21, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2020-0212

SUPERSEDED BY EASA AD 2020-0287

EASA Airworthiness Directive 2020-0212 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters SA 365, AS 365, and EC 155 models. It addresses the inspection and modification requirements for the tail rotor drive flange of the main gearbox to prevent loss of tightening torque of the Shur-Lok nut, which could lead to reduced tail rotor control and potential safety hazards.

Oct 5, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2020-0156

SUPERSEDED BY EASA AD 2021-0016

EASA Airworthiness Directive 2020-0156 is an airworthiness directive issued for Airbus Helicopters SA 365 C1, C2, and C3 models. It addresses the inspection and modification of the main gearbox magnetic plug and oil filter to detect particles indicative of planet gear spalling. This directive applies to all manufacturer serial numbers of these helicopter models.

Jul 14, 2020

EASA AD 2020-0151-E

Engine — Module 03 / Stage 2 High Pressure Turbine Disc — Replacement

EASA Airworthiness Directive 2020-0151-E is an emergency directive addressing the replacement of Stage 2 High Pressure Turbine discs in SAFRAN Helicopter Engines ARRIEL 1B, 1C, 1C2, and 1D1 models. These engines are commonly installed on Airbus Helicopters AS 350 B series, AS 365, and SA 365 helicopters, excluding the AS 365 N3 model. The directive targets specific turbine discs with part number 0292250400 and certain serial numbers that have been identified as potentially defective.

Jul 9, 2020

Airworthiness DirectiveMaintenanceSafety MgmtSafran ARRIEL 1Airbus Helicopters AS 350 BAirbus Helicopters AS 365Airbus Helicopters SA 365

EASA AD 2020-0078

SUPERSEDED BY EASA AD 2021-0170

EASA Airworthiness Directive 2020-0078 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters models SA 365, AS 365, and EC 155. It addresses the inspection and replacement requirements for double bearings installed on the tail rotor gearbox, specifically part numbers 704A33-651-245 and 704A33-651-246. The directive aims to ensure continued safe operation by mandating repetitive inspections and timely replacement of these parts to prevent loss of yaw control.

Mar 31, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2020-0064

Equipment / Furnishings — Emergency Flotation System / Inflation Hoses — Inspection

EASA Airworthiness Directive 2020-0064 is an airworthiness directive addressing the inspection of emergency flotation systems and inflation hoses installed on various Airbus Helicopters models including MBB-BK117, EC 135, EC 120 B, EC 175, AS 332, AS 350, EC 130, AS 355, SA 365, AS 365, and EC 155 helicopters. The directive mandates inspection and possible replacement of affected float supply hoses to ensure proper inflation of emergency flotation devices. It applies to specific part numbers and serial numbers as detailed in the associated service bulletins.

Mar 19, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 355Airbus Helicopters EC 120 BAirbus Helicopters EC175Airbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117Airbus Helicopters EC 135Airbus Helicopters EC 175Airbus Helicopters SA 365

EASA AD 2020-0043

Main Rotor Drive — Main Gearbox — Replacement

EASA Airworthiness Directive 2020-0043 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters EC 155 B and EC 155 B1 models. It addresses the replacement of main gearboxes (MGB) with specific part numbers and serial numbers due to potential manufacturing inspection errors. The directive mandates actions to ensure continued safe operation of affected helicopters.

Mar 2, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2020-0013

Fire Protection — Hand-held Fire Extinguishers — Replacement

EASA Airworthiness Directive 2020-0013 is an airworthiness directive addressing fire protection on various Airbus Helicopters, Leonardo, and WSK PZL – ŚWIDNIK helicopter models. It specifically targets the replacement of certain umlaut engineering GmbH Halon-free hand-held fire extinguishers with manufacturing defects that could render them inoperative. The affected helicopter models include AS 332, AS 365, EC 155, EC 175, EC 225, SA 330, SA 365, EC135, EC635, MBB-BK117, AB139, AB 204, AB 205, AB 212, AB 412, AS-61, AW139, AW169, AW189, and PZL W-3A series helicopters.

Jan 29, 2020

EASA AD 2019-0267R1

SUPERSEDED BY EASA AD 2020-0078

EASA Airworthiness Directive 2019-0267R1 is an update addressing the inspection and replacement requirements for the double bearing installed on the tail rotor gearbox of Airbus Helicopters SA 365, AS 365, and EC155 models. This directive applies to all serial numbers of these helicopter types and focuses on preventing loss of yaw control due to bearing degradation. It mandates repetitive inspections of the tail rotor gearbox chip detector and timely replacement of affected double bearings.

Nov 13, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365Airbus Helicopters EC155

EASA AD 2019-0088R1

Placards and Markings — Inspection / Installation

The document titled "Placards and Markings — Inspection / Installation" applies to Airbus Helicopters models SA 330, AS 332, EC 225, SA/AS 365, and EC 155. It provides guidance on the inspection and proper installation of placards and markings on these helicopter types to ensure compliance with safety and regulatory standards. The document aims to maintain the visibility and legibility of critical information displayed on the aircraft.

Nov 8, 2019

OtherMaintenanceSafety MgmtAirbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2019-0246

Rotors Flight Control — Collective Controls / Protective Cover — Modification

EASA Airworthiness Directive 2019-0246 is an airworthiness directive addressing Airbus Helicopters EC 155 B and EC 155 B1 models. It focuses on the modification of the protective cover for the "SHEAR" control pushbutton on pilot and copilot collective sticks to prevent mechanical deformation and potential unintended shearing of the hoist cable.

Oct 1, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2012-0108R1

Fuselage — Frame No.9 — Inspection / Repair

The document titled 'Fuselage — Frame No.9 — Inspection / Repair' pertains to AIRBUS HELICOPTERS models SA/AS 365 and EC 155. It addresses inspection and repair procedures specifically for Frame No.9 of the fuselage structure on these helicopter types. The document provides guidance to ensure structural integrity and airworthiness of the affected aircraft.

Sep 19, 2019

OtherMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2019-0184

Rotors Flight Control — Main Rotor Servo Actuators — Inspection

EASA Airworthiness Directive 2019-0184 is an airworthiness directive addressing the inspection of main rotor servo actuators on Airbus Helicopters models SA 365, AS 365, EC155, AS 350, EC 130, and AS355. The directive targets specific part numbers of main rotor servo actuators to ensure the correct installation of the threaded-shouldered bushing to prevent potential loss of helicopter control.

Jul 29, 2019