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eFlight RegistryFAA data, updated daily
Maker · data as of September 25, 2026

Bould William D

1 aircraft on the U.S. register. The most recent registration was June 15, 2024.

Models

CHALLENGER II SPEC1

States

Oklahoma1

Registrations by year

0001112024

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N150WB Bould William D
CHALLENGER II SPEC
Fixed-wing, single engine Individual owner
Oklahoma
Experimental 2024-06-15 Valid