Cargo aircraft C-123B 'Provider' was built in 1953 by Chase Aircraft Company. The serial C-123B aircraft equipped with two-piston engines 2300 hp Pratt-Whitney R-2800 conducted its first flight on September 1954. The aircraft was adopted into armament by US Air Force and was widely used in various military conflicts. In total 302 aircraft of this type were built. One of modification of this aircraft was HC-123B with AN/APN-158 radar – 11 pcs were built.