The "First" and "Final" Indian 06/25/2008 - 02:44 AM The Sikorsky S-58 was developed from the Sikorsky's UH-19 Chickasaw. The aircraft first flew on March 8, 1954. It was initially designated HSS-1 Seabat (in its anti-submarine configuration) and HUS-1 Seahorse (in its utility transport configuration) under the US Navy designation system. Under the US Army's system, also used by the fledgling US Air Force, the helicopter was designated H-34. The US Army applied the name Choctaw to the helicopter. In 1962, under the new unified system, the Seabat was redesignated SH-34, the Seahorse as the UH-34, and the Choctaw as the CH-34. read more... Autor: TrahnLeeLiao.EoD-2 (webmaster@eodmod.org) © 2018 by http://www.eodmod.org