N20PS Pitts S-1S Special Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Robert Hodgson - 31/07/2013
N20PS Pitts S-1S Special Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Hugo Teugels - Aviation Society Antwerp - 29/07/2013
