Aircraft Finder
U.S. Air Force Helicopter 1948- (H)
Observation variants
Manufacturer
Designation
nickname
Hiller 
H-5
 
 
Bell 
H-13
 
Sioux 
Hiller 
H-23
 
Raven 
Kaman 
H-43
 
Huskie 
Bell 
H-58
 
Kiowa