Video: 'Pan American Clipper (Sikorsky S-42) 1935 Pan American Airway, aka Flying Clipper, Pan Am Clipper'
(Friday, November 21, 1935, 3:46 p.m. PST) — A flying boat, the China Clipper, took off today from Alameda, California, carrying more than 100,000 pieces of mail on the first trans-Pacific airmail flight.