World's altitude record by Sikorsky S-59 (1954)

Sunday, October 17, 1954



Altitude record set by the Sikorsky S-59.  Set as 24522 ft (7474.3056 m) as of 17 October 1954.

Source 1:  Sikorsky Archives | S-59

Source 2:  Alex, Ralph. "Helicopters from 'A to Z' Part III". American Helicopter Society Newsletter, Vol. 7 1961. Page 19.


Aircraft related to this milestone
Sikorsky S-59 (XH-39)