N557PM Pitts S-1SS Special Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Mark Mabey - 27/07/2018
N557PM Pitts S-1SS Special Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Derek Heley - 30/07/2014
N557PM Pitts S-1SS Special Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Robert Hodgson - 02/08/2013
N557PM Pitts S-1SS Special Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Juha Ritaranta - 24/07/2012
