Wittman Regional Airport (OSH), 2008-07-29 1968 McKinnon (Grumman) G-21C GOOSE conversion, two P&W(C) PT6A turboprops upgrade mod, Experimental class |
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Wittman Regional Airport (OSH), 2008-07-29 1968 McKinnon (Grumman) G-21C GOOSE conversion, two P&W(C) PT6A turboprops upgrade mod, Experimental class |
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Wittman Regional Airport (OSH), 2008-07-29 1968 McKinnon (Grumman) G-21C GOOSE conversion, two P&W(C) PT6A turboprops upgrade mod, Experimental class |