Special Conditions: Honda Aircraft Company LLC Model HA-480 Airplane; High Altitude Operation

Open for public comment until Nov. 19, 2026. Comment on Regulations.gov

What it does

This action proposes special conditions for the Honda Aircraft Company LLC (Honda) Model HA-480 airplane. This airplane will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for normal category airplanes. This airplane will have design features associated with high altitude operations up to 47,000 feet. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These proposed special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.

The Federal Aviation Administration's summary, as published in the Federal Register.

What it would change

1 part of Title 14 of the Code of Federal Regulations:

14 CFR 23

What happens next and when

Send comments on or before November 19, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket FAA-2025-5730 on Regulations.gov
• Title 14 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register