N25YK Yakovlev Yak C.11 Private Port Townsend - Jefferson County International (0S9 / K0S9), USA - Washington Peter Davis - 15/06/2009
N25YK Yakovlev Yak C.11 Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Ray Barber - 30/07/2008
