Built in July 1928 as a 4-AT-B as their 'executive jet' for the Union Electric Light and Power Company, St Louis MO. Later served Johnsons Flying Service at Missoula Montana. Here beautifully restored for Mr Dexter D. Coffin Jr. Now displayed at the Pensacola FL museum wearing "9206" which was RR-5 naval version cn 5-AT-105.