Design and Development
Based on the earlier Sikorsky S-40 that flew in 1931, Igor Sikorsky and Charles Lindbergh (who was working at the time as a consultant to Pan American Airways) laid out plans for a new, larger flying boat. During the S-40's inaugural flight on November 19, 1931, the two visionaries began preliminary sketches on the back of a menu in the S-40's lounge.
Pan Am's president, Juan Trippe, had a similar vision of an aircraft able to span oceans. The new design provided for an increased lifting capacity to carry enough fuel for a 2,500 mi (4,000 km) nonstop flight against a 30 mph (48 km/h) wind, at a cruising speed far in excess of the average operating speed of any flying boat at that time. Pan Am was also courted by Glenn Martin, but Sikorsky's S-42 was delivered first, as the Martin M-130 was still almost a year away from completion.
Read more about this topic: Sikorsky S-42
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