EASA Regulations for Airbus Helicopters EC 155

58 airworthiness directives and regulations affecting Airbus Helicopters EC 155.

EASA AD 2022-0261

Dec 20, 2022

Fire Protection — Fire Detectors — Replacement

EASA Airworthiness Directive 2022-0261 is an airworthiness directive addressing fire detector replacements on Airbus Helicopters AS 365 N3, EC 155 B, and EC 155 B1 models. It targets specific fire detectors with identified manufacturing non-compliance that may cause spurious engine fire warnings. The directive mandates replacement of affected fire detectors to ensure continued safe operation of these helicopters.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Safran ARRIEL 2
  • Airbus Helicopters AS 365 N3
  • Airbus Helicopters EC 155 B
  • Airbus Helicopters EC 155 B1

EASA AD 2022-0231

Nov 28, 2022

Power Plant — Central Firewall Stiffener — Replacement

EASA Airworthiness Directive 2022-0231 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 replacement of the aluminium central firewall stiffener in the engine compartment with a titanium stiffener to prevent fire propagation between engine compartments. This directive applies to all serial numbers of the specified helicopter models.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2022-0220

Nov 16, 2022

Equipment / Furnishings — Main Rotor Flight Controls / Shear-Button Safety-Cap — Operational Check

EASA Airworthiness Directive 2022-0220 is an airworthiness directive issued by the European Union Aviation Safety Agency addressing the operational check of the main rotor flight controls' hoist shear-button safety-cap on Airbus Helicopters models AS 355, AS 365, SA 365, EC 155, AS 332, and EC 225 LP. The directive targets helicopters equipped with hoist provisions and focuses on ensuring the proper functioning of the safety-cap spring to prevent inadvertent activation of the hoist shear-button. It applies to specific collective pitch handles identified by part numbers listed in the directive.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • 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 AS355
  • Airbus Helicopters AS365
  • Airbus Helicopters SA365
  • Airbus Helicopters EC155
  • Airbus Helicopters AS332
  • Airbus Helicopters EC225

EASA AD 2022-0038

Mar 7, 2022

Tail Rotor – Pitch Control Rod Bearing – Inspection / Replacement

EASA Airworthiness Directive 2022-0038 is an airworthiness directive issued for Airbus Helicopters SA 365 C1, C2, C3 and AS 365 N models. It addresses the inspection and replacement of tail rotor pitch control rod dual bearings, specifically part number 360A33-4052-00, to prevent potential loss of yaw control due to bearing degradation. The directive mandates repetitive inspections of the tail rotor gearbox magnetic plug and corrective actions based on particle contamination findings.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365 C1
  • Airbus Helicopters SA 365 C2
  • Airbus Helicopters SA 365 C3
  • Airbus Helicopters AS 365 N

EASA AD 2022-0006R2

Jan 31, 2022

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC 155 B1

EASA AD 2021-0265

Nov 23, 2021

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.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2021-0225

Oct 8, 2021

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC 155 B
  • Airbus Helicopters EC 155 B1

EASA AD 2021-0170

Jul 19, 2021

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters AS 365 N2
  • Airbus Helicopters AS 365 N3
  • Airbus Helicopters EC 155 B
  • Airbus Helicopters EC 155 B1
  • Airbus Helicopters SA 365 N1

EASA AD 2021-0048

Feb 16, 2021

Main Rotor – Pitch Rod Upper Links – Marking / Inspection

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2021-0041

Jan 28, 2021

Doors – Placards – Installation; Rotorcraft Flight Manual – Section Emergency Procedures – Amendment

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2021-0016

Jan 13, 2021

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365 C1
  • Airbus Helicopters SA 365 C2
  • Airbus Helicopters SA 365 C3

EASA AD 2020-0287

Dec 21, 2020

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2020-0212

Oct 5, 2020

Rotor Drive() – Tail Rotor Drive Flange – Inspection / Modification

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2020-0156

Jul 14, 2020

Main Rotor Drive – Main Gearbox Magnetic Plug and Oil Filter – Inspection / Modification

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365 C1
  • Airbus Helicopters SA 365 C2
  • Airbus Helicopters SA 365 C3

EASA AD 2020-0078

Mar 31, 2020

Tail Rotor – Double Bearing – Inspection / Replacement

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365

EASA AD 2020-0064

Mar 19, 2020

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175
  • 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
  • Airbus Helicopters MBB-BK117
  • Airbus Helicopters EC 135
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365

EASA AD 2020-0043

Mar 2, 2020

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC 155 B
  • Airbus Helicopters EC 155 B1

EASA AD 2020-0013

Jan 29, 2020

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • 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 AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AB204
  • Leonardo S.P.A. Helicopters AB205
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo S.P.A. Helicopters AS-61
  • Leonardo S.P.A. Helicopters AW169
  • Leonardo S.P.A. Helicopters AW189
  • Wsk Pzl-Swidnik PZL W-3A
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC635
  • Airbus Helicopters MBB-BK117
  • Leonardo AB139
  • Leonardo AB 204
  • Leonardo AB 205
  • Leonardo AB 212
  • Leonardo AB 412
  • Leonardo AS-61
  • Leonardo AW139
  • Leonardo AW169
  • Leonardo AW189
  • WSK PZL – ŚWIDNIK PZL W-3A

EASA AD 2019-0267R1

Nov 13, 2019

Tail Rotor – Double Bearing – Inspection / Replacement

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC155

EASA AD 2019-0088R1

Nov 8, 2019

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.

Other
  • 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 SA 365