usa Chicago Helicopter Airways










Chicago Helicopter Airways Inc established 13dec1946 in Delaware.
Known as Helicopter Air Service from 20aug1949.
Began operations as CHA on 12nov1956





helicopter   Model Types


ModelDel'dFromTo
Sikorsky S-61L119641967
Sikorsky S-55B319561961
Sikorsky S-58C819561967




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