EASA Regulations for Airbus Helicopters EC175

73 airworthiness directives and regulations affecting Airbus Helicopters EC175.

EASA AD 2024-0177

Sep 13, 2024

Time Limits / Maintenance Checks – Airworthiness Limitations Section / 04-10 Limitations and 04-20 Inspections – Amendment

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2024-0146

Jul 29, 2024

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2024-0064R1

Mar 18, 2024

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2024-0050

Feb 22, 2024

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA SIB 2023-11

Oct 24, 2023

Hand Fire Extinguisher (HFE) / Check of the absence of discharge of the HFE

EASA Safety Information Bulletin 2023-11 is an airworthiness bulletin addressing the Hand Fire Extinguisher (HFE) manufactured by L’HOTELLIER, part number 12085-01 (S262A10T1001), installed on various Airbus Helicopters models including AS 350, AS 355, EC 130, EC 155, SA 365, AS 365, EC 120, EC 175, SA 341, and SA 342. The bulletin highlights issues with HFEs manufactured before July 2022 that may have unintentional discharge due to production defects. It provides guidance on checking for absence of discharge to ensure firefighting capability is maintained.

Safety Information Bulletin
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175
  • Airbus Helicopters SA 341
  • Airbus Helicopters 342
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155

EASA AD 2023-0182-E

Oct 17, 2023

Equipment / Furnishings – Rescue Hoist – Functional Check / Time Between Overhaul

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2023-0166

Aug 25, 2023

Equipment / Furnishings — Emergency Floatation System Supply Hose Connection / Retaining Ring — Inspection

The document titled Equipment / Furnishings — Emergency Floatation System Supply Hose Connection / Retaining Ring — Inspection is an airworthiness directive applicable to AIRBUS HELICOPTERS models AS 350, EC 130, EC 120 B, and EC175. It addresses inspection requirements for the emergency flotation system's supply hose connection and retaining ring to ensure continued airworthiness and safety. The directive focuses on maintaining the integrity of critical emergency equipment on these helicopter models.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175

EASA AD 2023-0129

Jun 29, 2023

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2023-0069

Mar 30, 2023

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2021-0178R2

Jan 30, 2023

Stabilizers – Horizontal Stabilizer – Inspection / Replacement

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2022-0143

Jul 8, 2022

Integrated Modular Avionics – Ethernet Network – Inspection

EASA Airworthiness Directive 2022-0143 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH EC135, EC635, MBB-BK117, Airbus Helicopters EC 175 B, and H160-B helicopters. The directive addresses design deficiencies in the Integrated Modular Avionics Ethernet network that have caused multiple Multi-Function Display failures. It mandates inspections and corrective actions to ensure continued safe operation of these helicopter models.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters H160B
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters EC635
  • MBB-BK117
  • Airbus Helicopters EC175 B

EASA AD 2022-0121

Jun 23, 2022

Fire Protection – Engine Fire Control Panel – Modification

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2022-0099

Jun 1, 2022

Stabilizers – Horizontal Stabilizer Attachment Bolts – Inspection /; Clearance Check / Modification

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2021-0240

Nov 5, 2021

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2021-0215-E

Sep 21, 2021

Tail Rotor – Pitch Rod – Inspection

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2021-0192

Aug 18, 2021

Main Rotor – Upper and Lower H legs – Service Life Limit

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2021-0188

Aug 9, 2021

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0094R1

Apr 27, 2021

Doors – Cargo Door Locking Mechanism – Inspection

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0132R1

Apr 27, 2021

Stabilizers – Horizontal Stabilizer Attachment Bolts – Inspection /; Modification / Clearance Check; Rotorcraft Flight Manual – Amendment

EASA Airworthiness Directive 2020-0132R1 is an updated safety directive addressing the horizontal stabilizer attachment bolts on Airbus Helicopters EC175 B models. It applies to all serial numbers except those with modification 99A05341 installed in production. The directive mandates inspections, life limit recalculations, and modifications to prevent potential in-flight loss of the horizontal stabilizer.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175

EASA AD 2019-0148R1

Apr 27, 2021

Stabilizers – Horizontal Stabilizer Spar – Inspection

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.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B