World's speed record by Sikorsky S-59 (1954)
Thursday, August 26, 1954
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Description
As of 26 August 1954, the S-59 held a speed record of 156.005 mph (135.6 knots, 251 km/hr). Source: Sikorsky Archives | S-59
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Description
As of 26 August 1954, the S-59 held a speed record of 156.005 mph (135.6 knots, 251 km/hr). Source: Sikorsky Archives | S-59
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