The Sikorsky H-19 Chickasaw (company model number S-55) is a multi-purpose piston-engined helicopter that was used by the United States Army and United States Air Force. It was also license-built by Westland Aircraft as the Westland Whirlwind in the United Kingdom.

H-19契克索直升機 （英語： H-19 Chickasaw)是一款廣泛應用於美國各軍種和各國軍隊的多用途直升機。 其命名保持美軍以美洲原住民命名的傳統，源於 契克索人 。

H-19/S-55 契卡索人（Chickasaw）直升机，是 美国 西科斯基飞机公司研制，美国陆军和美国空军装备的多用途直升机。美国海军和 美国海岸警卫队 型号编号为HO4S， 美国海军陆战队 型号为HRS。H-19直升机于1949年11月10日首飞，1950年开始服役。

2018年7月21日 · The Sikorsky H-19 Chickasaw was an American utility-minded, multi-role helicopter product of the Cold War period (1947-1991) immediate following the events of World War 2 (1939-1945). The type was produced in some 1,728 examples with operators situated all across the globe.

The Sikorsky H-19 Chickasaw (company model number S-55) was a multi-purpose helicopter used by the United States Army and United States Air Force. It was also license-built by Westland Aircraft as the Westland Whirlwind in the United Kingdom.

The UH-19B is a U.S. Air Force version of the Sikorsky S-55, an aircraft used by all U.S. military services in the 1950s and 1960s. After the first helicopter flew in November 1949, the USAF ordered production 50 H-19As in 1951. The USAF later acquired 270 H-19Bs with increased engine power, and in 1962 designated it the UH-19.

During the Korean conflict the H-19 (designated HO4S by us Navy and HRS-1, 2, 3 by the US Marine Corps) was mainly used for the transportation of troops, ammunitions and armaments, aerial supply, medical evacuation, liaison, observation, assault, downed aircrew rescue as well as the rescue of military hardware.

The H-19, successor to the H-5, was a larger and more powerful aircraft than its predecessor. The H-19 also had a longer range, four-wheeled landing gear, better controls, and easier...

The Sikorsky H-19 Chickasaw (company model number S-55) was a multi-purpose helicopter used by the United States Army and United States Air Force. It was also license-built by Westland Aircraft as the Westland Whirlwind in the United Kingdom.

2014年1月16日 · The H-19 "Chickasaw", which was a multi-purpose role used by the United States, is credited with many innovations which were forward placement of the engine below the crew compartment and in...