The Sikorsky H-34 Choctaw (Company designation S-58) was a piston-engined military helicopter originally designed by American aircraft manufacturer Sikorsky for the United States Navy for service in the anti-submarine warfare (ASW) role.
Made by Sikorsky Aircraft.
It is the successor of the Sikorsky H-19 ,
Sikorsky H-34 is the predecessor of the Westland Wessex.