Question: how fast was the spirit of st louis
Answer: Maximum speed : 133 mph ( 214 km / h ) Cruise speed : 100 -- 110 mph ( 161 -- 177 km / h ) Range : 4,100 mi ( 6,600 km ) Service ceiling : 16,400 ft ( 5,000 m ) Rate of climb : Considered ( ) Wing loading : 16 lb / ft ( 78 kg / m ) Power / mass : 23 lb / hp ( 10.