Aviation, Commercial - 1939: Clipper Begins Airmail Service To Europe; Boeing 307 Demonstrated

Aviation, Commercial - 1939: Clipper Begins Airmail Service To Europe; Boeing 307 Demonstrated 00:12:08 Mail sacks from Post Office truck into baggage carts; crew at microphone (MOS); CU airmail tag. 00:12:17 Mayor LaGuardia shaking pilots hand, SOF: “I hope you have a pleasant trip, Happy Landings.” Captain into plane & taking off. 00:12:33 Title: Seattle, Wash. 00:12:35 Four-engine Boeing 307 airplane parked by hillside, men in front, MCU. Motor starts & plane taxiis & takes off past & away from camera. Firsts; NOTE: Boeing 307 was first commercial transport to be pressurized so as to cruise at 20,000 ft. First plane had crashed 18Mar39 while being demonstrated. Boeing 307 was converted to C-75 for military transport use during early WW2.