Maker · data as of October 2, 2026

Williams Richard

2 aircraft on the U.S. register. The most recent registration was August 17, 2025.

XAIR1CHALLENGER II1

XAIR · CHALLENGER II

Missouri1California1

Aircraft newest first

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N344MB	Williams Richard XAIR	Fixed-wing, single engine	Individual owner Missouri	Experimental	2025-08-17	Valid
N41478	Williams Richard CHALLENGER II	Fixed-wing, single engine	Individual owner California	None on file	2022-05-13	Valid