ADMIRAL BYRD"S TRI-MOTOR-Admiral Richard E.Byrd(1888-1957) was an explorer who had become famous for being the first to fly over the North Pole in 1926. Byrd used this 1926 Model 4-AT Ford Tri-Motor to make the first powered flight over the South Pole on Thanksgiving Day, 1926. Byrd left the Tri-Motor behind after making his historic flight but returned in 1934 on another expedition. The plane was dug out of the ice and snow after spending five years parked outside in Antarctica. The Tri-motor was then loaded onto a ship, sent back to the United States, and presented to Henry Ford for his museum. Commercial versions of the rugged, all metal Ford Tri-Motor helped convince the traveling public that airlines could be safe and reliable.