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Department of Transportation
Federal Aviation Administration
• 14 CFR Part 39
• [Docket No. FAA-2025-1355; Project Identifier AD-2025-00016-A; Amendment 39-23229; AD 2026-01-01]
• RIN 2120-AA64
( printed page 1241)
AGENCY:
Federal Aviation Administration (FAA), DOT.
ACTION:
Final rule.
SUMMARY:
The FAA is adopting a new airworthiness directive (AD) for certain Honda Aircraft Company LLC (Honda) Model HA-420 airplanes. This AD was prompted by the discovery of a gap between the trailing edge wing nut plates and leading edge aileron balance weights being less than the minimum required clearance. This AD requires replacing the affected left and right aileron fixed balance weights with reduced geometry fixed balance weights. The FAA is issuing this AD to address the unsafe condition on these products.
DATES:
This AD is effective February 17, 2026.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of February 17, 2026.
ADDRESSES:
AD Docket:
You may examine the AD docket at
regulations.gov
under Docket No. FAA-2025-1355; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, any comments received, and other information. The address for Docket Operations is U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
• For Honda Aircraft Company material identified in this AD, contact Honda, 6430 Ballinger Road, Greensboro, NC 27410; phone: (336) 662-0246; website:hondajet.com.
• You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call (817) 222-5110. It is also available atregulations.gov
under Docket No. FAA-2025-1355.
FOR FURTHER INFORMATION CONTACT:
Tuan Tran, Aviation Safety Engineer, FAA, 1701 Columbia Avenue, College Park, GA 30337; phone: (404) 474-5522; email:
ECB-COS@faa.gov.
SUPPLEMENTARY INFORMATION:
Background
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to certain Honda Model HA-420 airplanes. The NPRM was published in the
Federal Register
on July 7, 2025 (90 FR 29804). The NPRM was prompted by a production quality assurance inspection that revealed a gap between the trailing edge wing nut plates and leading edge aileron balance weights with less than the minimum required clearance. This reduction could result in jamming or contact between the balance weights and the nut plates and could negatively affect flight and cause damage to the airplane. The unsafe condition, if not addressed, could result in loss of control of the airplane. In the NPRM, the FAA proposed to require replacing the affected left and right aileron fixed balance weights with reduced geometry fixed balance weights. The FAA is issuing this AD to address the unsafe condition on these products.
…
Fonte: Federal Register (federalregister.gov). Texto original em inglês.