1939 GRUMMAN TURBINE GOOSE $2,250,000 Get Financing as low as $10,332.90 a month* Reg# N77AQ TT: 5130 1939 Grumman Turbine Goose 1969 McKinnon G-21-G model Turbine Goose Conversion. More Info Kestrel Aircraft Sales LLC Aurora , OR USA (503)