N57560 Piper L-4B Grasshopper Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Derek Heley - 02/08/2014
N57560 Piper L-4B Grasshopper Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Derek Heley - 28/07/2014
