N9112A Groen Hawk 6G Groen Brothers Aviation Inc. Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Dave Mangham - 24/07/2001
N9112A Groen Hawk 6G Groen Brothers Aviation Inc. Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Robin A Walker - 26/07/2001
