Grumman G-21 Goose Airplane Model

Grumman Goose airplane model. N780 is the original registration for the Fish &amp, Wildlife converted turbine Goose that was improperly attributed to McKinnon (he didn't actually "build" or convert it) and registered as an actual McKinnon model G-21G (it was not!),It was really a "Fish &amp, Wildlife Service" model G-21F but that "design" was never approved as such.,It was also later registered as N92MT, CC-CTG in Chile, N86MT back in the US again, and finally as N221AG.,It crashed in the United Arab Emirates in Feb. 2011.Mahogany wood. Wingspan 19 1/4, Length 14 3/4 inches.