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EASA Regulations for Honda Aircraft Company HA-420

11 airworthiness directives and regulations affecting Honda Aircraft Company HA-420.

EASA AD US-2026-10-02

Fuselage - Airworthiness Limitations Section - Maintenance / Inspection

Fuselage - Airworthiness Limitations Section - Maintenance / Inspection is a final rule airworthiness directive issued by the Federal Aviation Administration (FAA) addressing certain Honda Aircraft Company LLC Model HA-420 airplanes. This directive mandates updates to the Airworthiness Limitations Section (ALS) of the maintenance manual to include inspections for tool damage on the interior fuselage skin fiber at the forward pressure bulkhead ring angle. The directive aims to prevent crack propagation that could lead to pressurization leaks and loss of pressurization.

Jun 10, 2026
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420

EASA AD US-2026-01-01

Flight Controls - Aileron Fixed Balance Weights - Replacement

EASA AD US-2026-01-01 is a final airworthiness directive issued by the FAA addressing certain Honda Aircraft Company LLC Model HA-420 airplanes. It mandates the replacement of the left and right aileron fixed balance weights with reduced geometry fixed balance weights due to insufficient clearance between the trailing edge wing nut plates and leading edge aileron balance weights. This action aims to prevent potential contact that could damage the airplane.

Jan 14, 2026
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420

EASA AD US-2023-11-03

Ice and Rain Protection - Airplane Flight Manual and Quick Reference Handbook - Amendment

Airworthiness Directive 2023-11-03 is a final rule issued by the Federal Aviation Administration affecting certain Honda Aircraft Company LLC Model HA-420 airplanes. It addresses issues related to the windshield heat operation procedures and the replacement of affected windshield assemblies to prevent potential in-flight smoke and fire hazards. This directive updates and corrects typographical errors from the previous AD 2022-18-03 while retaining all its safety requirements.

Jun 2, 2023
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420

EASA AD US-2022-18-03

SUPERSEDED BY FAA AD 2023-11-03

FAA Airworthiness Directive 2022-18-03 is a final rule affecting certain Honda Aircraft Company LLC Model HA-420 airplanes. It addresses issues related to windshield heat operation procedures and corrects typographical errors found in the previous AD 2022-05-13. The directive retains all prior required actions and updates document references to ensure clarity and compliance.

Sep 5, 2022
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420Honda HA-420

EASA AD US-2022-05-13

SUPERSEDED BY FAA AD 2022-18-03

FAA Airworthiness Directive 2022-05-13 is a final rule addressing certain Honda Aircraft Company LLC Model HA-420 airplanes. It responds to an in-flight smoke and fire incident caused by a severed windshield heat power wire braid. The directive mandates temporary revisions to the airplane flight manual and quick reference handbook to modify windshield heat operation procedures until affected windshield assemblies are replaced.

Mar 15, 2022
Airworthiness DirectiveFlight OpsSafety MgmtHonda Aircraft Company HA-420

EASA AD US-2021-22-12

Flight Controls - Flap Control Pushrods - Cleaning / Applying Corrosion Inhibiting Compound

Federal Register Volume 86, Number 211 (November 4, 2021) is a final rule airworthiness directive issued by the FAA concerning certain Honda Aircraft Company LLC Model HA-420 airplanes. It addresses corrosion susceptibility in the flap control pushrod assemblies, requiring cleaning and repetitive application of corrosion inhibiting compound to prevent failure. This directive aims to ensure continued airworthiness and safe operation of the affected aircraft.

Nov 12, 2021
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420Honda HA-420

EASA AD US-2020-04-14

Landing Gear - Wheel Speed Transducer Wiring Harness - Inspection / Replacement Airplane Flight Manuals and Quick Reference Handbooks - Revision

Federal Aviation Administration Airworthiness Directive 2020-04-14 is a final rule addressing Honda Aircraft Company LLC Model HA-420 airplanes. It mandates inspection and possible replacement of the wheel speed transducer wiring harness, installation of wiring hardware, rerouting of the wiring harness on both brake assemblies, and revision of the Abnormal Procedures section in the airplane flight manual and quick reference handbook.

Mar 23, 2020
Airworthiness DirectiveMaintenanceSafety MgmtFlight OpsHonda Aircraft Company HA-420

EASA AD US-2018-21-13

Airplane Flight Manual Temporary Revision / Landing Gear - Power Brake Valves - Replacement

Airplane Flight Manual Temporary Revision / Landing Gear - Power Brake Valves - Replacement is a Federal Aviation Administration (FAA) Airworthiness Directive (AD 2018-21-13) addressing Honda Aircraft Company LLC Model HA-420 airplanes. The directive targets power brake valves (PBVs) with part numbers HJ1-13243-101-005 and HJ1-13243-101-007, requiring replacement with an improved PBV part number HJ1-13243-101-009 to correct unsafe braking conditions.

Oct 25, 2018
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420Honda HA-420

EASA AD US-2018-15-06

Time Limits - Airworthiness Limitations - Revision

The Federal Aviation Administration's Airworthiness Directive 2018-15-06 addresses Honda Aircraft Company LLC Model HA-420 airplanes. This final rule mandates the incorporation of new and revised airworthiness limitations into the maintenance program to correct omissions and errors in the previous Airworthiness Limitation and Inspection Manual. The directive aims to enhance safety by updating maintenance tasks related to hydraulic and ice protection systems.

Aug 8, 2018
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420Honda HA-420

EASA AD US-2018-11-05

SUPERSEDED BY FAA AD 2018-21-13

FAA Airworthiness Directive 2018-11-05 is a final rule superseding AD 2018-06-10 and applies to certain Honda Aircraft Company LLC Model HA-420 airplanes. It addresses an unsafe condition related to faulty power brake valves that can cause degraded braking performance and reduced directional control during ground operations and landing deceleration. This AD corrects a typographical error in the serial number applicability from the previous AD and retains the required actions including inserting a temporary revision into the airplane flight manual and replacing defective power brake valves.

May 25, 2018
Airworthiness DirectiveMaintenanceSafety MgmtHonda Aircraft Company HA-420