Welcome to the website for Coeur D Alene Seaplanes and Mountain Lakes Seaplanes, home of "Fun & Safe" seaplane flying. Based at Pappy Boyington Airport (COE) in Hayden, Idaho, and on Lower Twin Lakes, our playground is the lakes and rivers of the Bitterroot Mountains,  just an hour drive from the Spokane airport (GEG).. Phones: 208-255-5500,  208-635-5102; 208-661-1588.