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EASA Regulations for Wsk Pzl-Swidnik PZL W-3A

18 airworthiness directives and regulations affecting Wsk Pzl-Swidnik PZL W-3A.

EASA AD 2025-0235

Engine — Vibration Levels — Measurements / Inspections

EASA Airworthiness Directive 2025-0235 is an airworthiness directive addressing engine vibration levels and inspections for WSK “PZL-ŚWIDNIK” S.A. PZL W-3A and W-3AS model helicopters. It mandates repetitive engine vibration measurements, inspections of the main gearbox and engine interfaces, and a one-time oil sample collection to detect potential unsafe conditions related to increased pinion gear play and bearing damage. The directive aims to prevent fire hazards and possible loss of helicopter control due to these issues.

Oct 23, 2025
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3A

EASA AD 2025-0149

SUPERSEDED BY EASA AD 2025-0235

EASA Airworthiness Directive 2025-0149 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting PZL W-3A and PZL W-3AS model helicopters. It addresses engine vibration issues related to the main gearbox parts P/N 64.21.3000 and P/N 64.21.4000. The directive mandates inspections and measurements to detect potential unsafe conditions that could lead to fire and loss of helicopter control.

Jul 14, 2025
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3A

EASA AD 2025-0097

Equipment / Furnishings — Hoist Support / Inspection / Replacement — Removal from Service

EASA Airworthiness Directive 2025-0097 is an airworthiness directive affecting all PZL W-3A helicopters equipped with hoist supports having Part Number 39.30.210.00.02. It mandates inspection, record verification, and potential replacement of hoist supports to ensure compliance with service-life limits and safe operation. The directive also regulates the installation of these hoist supports to maintain continued airworthiness.

Apr 28, 2025
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3A

EASA AD 2024-0166

Rotors — Main Rotor Blade Attachment Bolts — Inspection

EASA Airworthiness Directive 2024-0166 is an airworthiness directive addressing the inspection of main rotor blade attachment bolts on PZL W-3A and W-3AS helicopters. It mandates repetitive inspections of bolts with Part Number 37.21.000.50.00 for corrosion and damage, with repair or replacement as necessary. The directive aims to prevent potential failure of these critical bolts which could lead to loss of a main rotor blade and subsequent loss of helicopter control.

Aug 21, 2024
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2022-0092

SUPERSEDED BY EASA AD 2025-0149

EASA Airworthiness Directive 2022-0092 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning PZL W-3A and W-3AS model helicopters equipped with main gearboxes part numbers 64.21.3000 and 64.21.4000. The directive mandates repetitive engine vibration level measurements to detect potential unsafe conditions related to increased pinion gear play and bearing damage that could lead to oil leaks and fire hazards. This AD applies to all manufacturer serial numbers of the affected helicopter models.

May 24, 2022
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2021-0276

Powerplant — Electrical Harness — Inspection / Repair / Replacement / Modification

EASA Airworthiness Directive 2021-0276 is an official regulatory document addressing the inspection, repair, replacement, and modification of electrical harnesses in PZL W-3A and PZL W-3AS helicopters equipped with PZL-10W engines. It targets wiring harnesses within the left-hand and right-hand engine areas that may have suffered thermal damage due to incorrect installation or routing. The directive mandates inspection and corrective actions to ensure continued airworthiness and safety.

Dec 13, 2021
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2021-0270

Time Limits / Maintenance Checks — Airworthiness Limitations — Amendment

EASA Airworthiness Directive 2021-0270 is an amendment addressing the airworthiness limitations and maintenance checks for PZL W-3A helicopters manufactured by WSK “PZL – ŚWIDNIK” S.A. This directive mandates compliance with updated instructions for continued airworthiness as specified in the latest revisions of the PZL W-3A Maintenance Manual Chapter 04. It applies to all serial numbers of the PZL W-3A helicopter model.

Dec 3, 2021
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3A

EASA AD 2021-0271

Time Limits / Maintenance Checks — Airworthiness Limitations — Amendment

EASA Airworthiness Directive 2021-0271 is an amendment concerning the PZL W-3AS model helicopters. It updates the airworthiness limitations by introducing new and more restrictive maintenance tasks and life limits as specified in the latest Instructions for Continued Airworthiness. This directive ensures continued compliance with mandatory maintenance requirements for these helicopters.

Dec 3, 2021
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3AS

EASA AD 2020-0038

Main Rotor — Vibration Absorber Fairing — Installation

EASA Airworthiness Directive 2020-0038 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all PZL W-3A and PZL W-3AS helicopters. It addresses the installation of the main rotor vibration absorber fairing, specifically focusing on the affected fairing part number 30.23.015.00.03 and associated hardware. The directive mandates compliance with updated installation instructions to ensure proper securing of the fairing to the vibration absorber.

Feb 27, 2020
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2020-0017

Equipment / Furnishings — Hoist Assembly — Inspection

EASA Airworthiness Directive 2020-0017 is an airworthiness directive addressing the inspection of hoist assemblies on PZL W-3A helicopters. It specifically targets the stainless steel cable with Part Number 712952 installed in Collins Aerospace Electric Hoists, Part Number 76378-500. The directive mandates repetitive inspections to detect wear and potential failure of the cable near the swaged terminal.

Jan 30, 2020
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3A

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
Airworthiness DirectiveMaintenanceSafety MgmtAirbus 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 117Leonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AB204Leonardo S.P.A. Helicopters AB205Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo S.P.A. Helicopters AS-61Leonardo S.P.A. Helicopters AW169Leonardo S.P.A. Helicopters AW189Wsk Pzl-Swidnik PZL W-3AAirbus Helicopters EC 175Airbus Helicopters SA 365Airbus Helicopters EC635Airbus Helicopters MBB-BK117Leonardo AB139Leonardo AB 204Leonardo AB 205Leonardo AB 212Leonardo AB 412Leonardo AS-61Leonardo AW139Leonardo AW169Leonardo AW189WSK PZL – ŚWIDNIK PZL W-3A

EASA AD 2019-0202

Main Rotor — Blade Droop Stops — Removal from Service

EASA Airworthiness Directive 2019-0202 is an airworthiness directive addressing the removal from service of main rotor blade droop stops, Part Number 37.21.800.00.00, installed on PZL W-3A and W-3AS helicopters. The directive applies to all manufacturer serial numbers of these helicopter models and mandates removal of affected parts to prevent unsafe conditions.

Aug 19, 2019
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2019-0191-E

SUPERSEDED BY EASA AD 2022-0239

EASA Airworthiness Directive 2019-0191-E is an emergency directive addressing safety concerns for all serial numbers of PZL W-3A helicopters manufactured by WSK “PZL-ŚWIDNIK” S.A. It mandates inspections and replacements related to the hoist carrier assembly brackets and bolts, specifically parts with numbers 39.30.205.03.01, 39.30.213.00.00, and hoists type 76378. The directive aims to prevent potential detachment of the hoist bracket that could cause damage, injury, or loss of life.

Jul 31, 2019
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3A

EASA AD 2018-0274

Landing Gear — Main Landing Gear Leg — Modification

EASA Airworthiness Directive 2018-0274 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all serial numbers of PZL W-3A helicopters. It mandates a modification to the left-hand main landing gear leg to prevent damage to the wheel braking system pneumatic line caused by rescue hoist operations. The directive ensures continued safe operation of the affected helicopters by addressing a specific landing gear component vulnerability.

Dec 13, 2018
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3A

EASA AD 2018-0238

Rotor Drive(s) — Main Gearbox Input Drive Quill — Inspection

EASA Airworthiness Directive 2018-0238 is an airworthiness directive addressing the inspection of main gearbox input drive quill bolts on PZL W-3A and W-3AS helicopters. It applies specifically to WR-3 main gearboxes with serial numbers up to 316463007 inclusive and bolts part number 89.00.0049. The directive mandates inspection and corrective actions to ensure the proper locking of these bolts to maintain safe engine-to-main gearbox mechanical linkage.

Nov 6, 2018
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2018-0092-E

Rotor Drive(s) — Main Transmission Case — Inspection

EASA Airworthiness Directive 2018-0092-E is an emergency directive addressing the inspection of main transmission cases on PZL W-3A and W-3AS helicopters, specifically those with manufacturer serial numbers up to 3X.10.12. It mandates repetitive inspections of the main transmission case parts P/N 64.21.0105 and P/N 64.22.0161 installed on WR-3 Main XMSN P/N 64.21.3000 or P/N 64.21.4000. The directive aims to detect cracks that could lead to structural failure and loss of helicopter control.

Apr 20, 2018
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2018-0070

Main Rotor — Vibration Absorber Star — Inspection / Replacement

EASA Airworthiness Directive 2018-0070 is an airworthiness directive addressing the inspection and replacement of the main rotor vibration absorber star, part number 30.23.005.01.04, installed on all serial numbers of PZL W-3A and PZL W-3AS helicopters. The directive mandates repetitive inspections to detect corrosion and potential defects that could compromise structural integrity and helicopter control. It applies to parts installed on these helicopter models and requires compliance with the manufacturer's mandatory bulletin BO-37-18-291.

Mar 27, 2018
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS

EASA AD 2018-0035-E

[Correction] Landing Gear — Bellcrank Assembly — Inspection

EASA Airworthiness Directive 2018-0035-E is an emergency directive addressing the inspection of the nose landing gear (NLG) bellcrank assembly, part number 30.42.010.00.00, installed on all serial numbers of PZL W-3A and PZL W-3AS helicopters. The directive mandates a one-time inspection due to a manufacturing defect causing reduced wall thickness and potential cracking of the NLG bellcrank assembly. This condition could lead to landing gear failure and possible damage or injury.

Mar 16, 2018
Airworthiness DirectiveMaintenanceSafety MgmtWsk Pzl-Swidnik PZL W-3APZL W-3APZL W-3AS