The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Maker · data as of October 2, 2026

Osvald Mark S

1 aircraft on the U.S. register. The most recent registration was June 19, 2007.

Models

CHALLENGER II1

CHALLENGER II

States

Colorado1

Registrations by year

No data

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N997YT Osvald Mark S
CHALLENGER II
Fixed-wing, single engine Individual owner
Colorado
Experimental 2007-06-19 Valid