EASA Regulations for Bell 429

20 airworthiness directives and regulations affecting Bell 429.

EASA AD CF-2025-60R1

Fuselage — Tail Rotor Gearbox Support Assembly to Tailboom Attachment Discrepant Rivets

EASA Airworthiness Directive CF-2025-60R1 addresses discrepant rivets in the tail rotor gearbox support assembly to tailboom attachment on Bell Textron Canada Limited model 429 helicopters, serial numbers 57001 and subsequent. The directive mandates inspections and corrective actions to detect and replace failed or inadequate rivets that could compromise structural integrity. This directive updates previous requirements to enhance safety and maintenance procedures for affected helicopters.

Feb 4, 2026
Airworthiness DirectiveMaintenanceSafety MgmtBell 429

EASA AD CF-2025-64

Doors — Sliding Door Lower Roller disengagement

Canadian Airworthiness Directive CF-2025-64 addresses a safety issue affecting Bell Textron Canada Limited Model 429 helicopters, specifically serial numbers 57001 through 57447, 57449 through 57507, and 57509 through 57538. The directive focuses on preventing sliding door jamming caused by disengagement of the aft lower roller assembly from the lower rail. It mandates inspections and modifications to the sliding door lower roller assemblies to ensure safe egress in emergencies.

Dec 9, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBell 429

EASA AD 2015-0226R8

Equipment / Furnishings — Hoist — Test / Replacement

EASA Airworthiness Directive 2015-0226R8 is a regulatory document addressing the inspection, testing, and replacement requirements for Goodrich externally mounted rescue hoists installed on various helicopter models including Leonardo AW109SP, AB139, AW139, AB412; Bell Textron 212, 214, 412, 429, 430; Airbus Helicopters AS 365 N3, AS 332 L2, EC225 LP, MBB-BK117 C-2, EC135, EC635; MD Helicopters MD900; and Sikorsky S-61, S-76, and S-92A. The directive mandates load checks, cable replacements, and overload clutch replacements to ensure continued airworthiness and safety of hoist operations.

Jul 16, 2025
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Bell 429Bell 430Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Leonardo S.P.A. Helicopters A109Leonardo S.P.A. Helicopters A119Leonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Md Helicopters Inc (Mdhi) MD900Mcdermott 214 Holdings, 214Sikorsky S-61Sikorsky S-76Sikorsky S-92

EASA SIB CASA-2025-08

Low Torque on Transmission Mounted Bellcranks

The Transport Canada Civil Aviation Safety Alert (CASA) titled 'Low Torque on Transmission Mounted Bellcranks' (CASA 2025-08) addresses a potential issue affecting Bell Model 429 helicopters with specific serial numbers. It highlights the risk of accelerated wear and fatigue cracking due to under-torqued transmission bellcrank assembly joints. The alert provides guidance on inspection and corrective actions to ensure proper torque application and hardware replacement.

Jun 17, 2025
Safety Information BulletinMaintenanceSafety MgmtBell 429

EASA AD CF-2025-29

Tail Rotor Blade Abrasion Strip Cracks

The Canadian Airworthiness Directive CF-2025-29 is an urgent directive addressing cracks in the abrasion strips of tail rotor blades on Bell Textron Canada Limited Model 429 helicopters, serial number 57001 and above. It mandates inspections and markings of affected tail rotor blades to detect and prevent fatigue cracking that could lead to catastrophic failure. This directive replaces the previous CN CF-2024-11 issued on March 22, 2024.

Jun 9, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBell 429

EASA AD CF-2025-16

Rotors Flight Control — Stability and Control Augmentation System (SCAS) Actuators Incorrect Lockwire

Canadian Airworthiness Directive CF-2025-16 addresses an issue with the Stability and Control Augmentation System (SCAS) actuators on Bell Textron Canada Limited model 429 helicopters, specifically those with actuator part numbers 429-001-065-107, -109, and -111. The directive mandates inspection and correction of incorrectly installed lockwire on the actuator jam nuts to prevent actuator rotation and potential control loss. This AD applies to helicopters serial number 57001 and subsequent.

Mar 18, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBell 429

EASA AD CF-2024-11

SUPERSEDED BY TCCA EMERGENCY AD CF-2025-29

The Canadian Airworthiness Directive CF-2024-11 is an urgent airworthiness directive affecting Bell Textron Canada Limited Model 429 helicopters with serial numbers 57001 and above. It addresses cracking in the anti-abrasion strips of the tail rotor blades, which could lead to catastrophic failure of the tail rotor and loss of directional thrust during critical flight phases. The directive mandates inspections, marking, and potential replacement of affected tail rotor blades to ensure continued airworthiness.

Mar 26, 2024
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Textron Canada Limited 429

EASA AD CF-2020-18R2

Indicating / Recording System — Rotorcraft Flight Manual — Prohibit the use of Map-Mode on Left Hand Side and Right Hand Side Display Units

Airworthiness Directive CF-2020-18R2 is issued by Transport Canada and applies to Bell Textron Canada Limited model 429 helicopters with serial numbers 57001 through 57369, 57371, and 57373. This directive addresses issues with the Rogerson Kratos Display Units (DUs) and Garmin GTN 750/650 software that cause unexpected power cycles and loss of critical flight information during flight. It mandates prohibiting the use of Map-Mode on the Left Hand Side and Right Hand Side Display Units and disables the TCAS Pop-up mode to prevent display failures.

Feb 8, 2022
Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtBell 429Bell Textron Canada Limited 429

EASA AD CF-2016-11R3

Flight Controls - Corrosion of Bellcrank Pivot Bearings

Canadian Airworthiness Directive CF-2016-11R3 addresses corrosion issues in the bellcrank pivot bearings of Bell Textron Canada Limited model 429 helicopters. The directive mandates inspections and replacement of affected collective and cyclic bellcrank assemblies to prevent flight control restrictions caused by corrosion. It applies to all serial numbers of Bell 429 helicopters and requires compliance with Bell Alert Service Bulletin 429-15-21 Revision C or later.

Aug 31, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Textron Canada Limited 429

EASA AD CF-2015-16R3

Tail Rotor - Pitch Link Spherical Bearing Accelerated Wear

Canadian Airworthiness Directive CF-2015-16R3 addresses accelerated wear of tail rotor pitch link spherical bearings on Bell Helicopter Textron Canada Limited model 429 helicopters, serial numbers 57001 through 57401. The directive mandates inspections, replacements, and introduces a new pitch link assembly as an optional terminating action to recurring inspections. It aims to prevent pitch link failure that could lead to loss of helicopter controllability.

May 7, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada Limited 429

EASA AD CF-2021-15

SUPERSEDED BY TCCA AD CF-2025-60

The Canadian Airworthiness Directive CF-2021-15 addresses defective rivets at the junction of the tail rotor gearbox support and tailboom on Bell Helicopter Textron Canada Limited Model 429 helicopters, serial numbers 57001 and above. This directive mandates inspections and corrective actions to ensure structural integrity and prevent potential loss of helicopter control. It requires compliance with Bell's Alert Service Bulletin 429-19-47 Revision B dated January 27, 2021.

Apr 15, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada Limited 429

EASA AD CF-2020-21R1

Equipment / Furnishings — Incorrectly Manufactured Emergency Flotation System Supply Hoses

Canadian Airworthiness Directive CF-2020-21R1 addresses incorrectly manufactured emergency flotation system (EFS) supply hoses installed on Bell Textron Canada Limited model 429 helicopters. The directive mandates inspection and possible replacement of affected EFS supply hoses to ensure proper inflation of helicopter floats during emergency water landings. This directive applies to all serial numbers of Bell 429 helicopters equipped with certain EFS kits manufactured before July 2019.

Aug 19, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Textron Canada Limited 429

EASA AD CF-2020-11

Flight Controls — Incorrectly Staked Directional Control Bellcrank Bearing

Canadian Airworthiness Directive CF-2020-11 addresses an issue with incorrectly staked directional control bellcrank bearings on Bell Textron Canada Limited model 429 helicopters, serial numbers 57001 through 57210, 57212 through 57344, 57346 through 57371, 57374 through 57377, and 57380. The directive mandates inspections and corrective actions to ensure proper bearing staking and prevent reduced helicopter directional control. This AD incorporates Bell Alert Service Bulletin 429-19-50, Revision B, dated 19 December 2019.

Apr 17, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Textron Canada Limited 429

EASA AD 2020-0026

Equipment / Furnishings — Hoist Carrier Assembly — Inspection

EASA Airworthiness Directive 2020-0026 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Bell 429 and 430 helicopters equipped with certain Goodrich rescue hoists. The directive mandates inspection of the hoist carrier assembly to detect incorrect assembly of the carrier retainer spring, which could lead to loosening of the carrier assembly and potential loss of human load. It applies to all serial numbers of the affected helicopter models and specific Goodrich hoist part numbers listed in the directive.

Feb 14, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell 430

EASA AD CF-2019-16

Flight Control System — Yaw Trim Runaway

Canadian Airworthiness Directive CF-2019-16 is an emergency directive addressing a yaw trim runaway issue in Bell Helicopter Textron Canada Limited model 429 helicopters, serial numbers 57001 and subsequent. It mandates revisions to the rotorcraft flight manual to mitigate risks associated with uncommanded yaw control inputs during ground operations. The directive focuses on improving pilot procedures and flight manual content to maintain helicopter control in the event of a trim runaway.

May 7, 2019
Airworthiness DirectiveFlight OpsSafety MgmtBell 429Bell Helicopter Textron Canada Limited 429

EASA AD CF-2019-15

Tail Rotor System — Incorrect Assembly

Canadian Airworthiness Directive CF-2019-15 is an emergency directive addressing an incorrect assembly issue in the tail rotor system of Bell Helicopter Textron Canada Limited model 429 helicopters, serial numbers 57001 through 57363. The directive focuses on the improper installation of the Curvic Coupling Part Number 429-012-120-101, which can lead to loosening of the tail rotor assembly and loss of drive to the outboard tail rotor blades. This condition affects the helicopter's directional control and safety.

Apr 29, 2019
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada Limited 429

EASA AD CF-2019-03

Time Limits / Maintenance Checks — New Airworthiness Life Limitations

The Canadian Airworthiness Directive CF-2019-03 is a regulatory document addressing Bell Helicopter Textron Canada Ltd. model 429 helicopters, specifically serial numbers 57001 through 57351. It introduces new airworthiness life limitations related to a Centrifugal Force Bearing (CFB) with Part Number 429-310-003-103. This directive mandates updates to maintenance manuals to include these new life limits to ensure continued airworthiness.

Feb 14, 2019
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada Ltd. 429

EASA AD CF-2018-35

Tail Rotor Drive — Tail Rotor Gearbox — Introduction of Attachment Hardware Recurring Torque Check

Airworthiness Directive CF-2018-35 is issued by Transport Canada and applies to Bell Helicopter Textron Canada Limited model 429 helicopters, serial number 57001 and subsequent. This directive mandates recurring torque checks of the tail rotor gearbox attachment hardware to ensure continued airworthiness and safety. The directive addresses potential loosening of the tail rotor gearbox that could lead to structural damage and loss of helicopter control.

Dec 20, 2018
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada 429

EASA AD CF-2018-18

Tail Rotor Drive — Loose Tail Rotor Gearbox

Canadian Airworthiness Directive CF-2018-18 is an emergency directive addressing a safety issue on Bell Helicopter Textron Canada Limited model 429 helicopters, specifically serial numbers 57001 through 57321, 57323 through 57341, 57343 through 57346, 57348, and 57350. The directive focuses on inspecting and securing the tail rotor gearbox to prevent looseness that could lead to structural damage and loss of helicopter control. It mandates inspections and torque checks following BHTCL Alert Service Bulletin 429-18-40.

Jul 13, 2018
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada Limited 429

EASA AD CF-2018-16

Equipment / Furnishings — Seat Belt Comfort Clips Adverse Effect on Occupant Restraint

Canadian Airworthiness Directive CF-2018-16 addresses the safety issue related to seat belt comfort clips installed on Bell Helicopter Textron Canada Limited (BHTCL) models 206, 222, 230, 407, 427, 429, and 430 helicopters. The directive identifies that these comfort clips can interfere with the shoulder harness inertia reel, potentially preventing proper locking and increasing injury risk during emergency landings. It mandates removal of these clips and prohibits their installation to ensure occupant restraint effectiveness.

Jun 18, 2018
Airworthiness DirectiveMaintenanceSafety MgmtBell 206Bell 222Bell 230Bell 407Bell 427Bell 429Bell 430Bell Helicopter Textron Canada Limited 206Bell Helicopter Textron Canada Limited 222Bell Helicopter Textron Canada Limited 230Bell Helicopter Textron Canada Limited 407Bell Helicopter Textron Canada Limited 427Bell Helicopter Textron Canada Limited 429Bell Helicopter Textron Canada Limited 430