Fifty-Two Air Lines has three variants of MD-80: the MD-81, MD-83 and the MD-87.
The McDonnell Douglas MD-83 is a narrow-body, twin-engine aircraft. All three units are powered by Pratt & Whitney JT8D-219 engines.
The McDonnell Douglas MD-87 is a narrow-body, twin-engine aircraft. The single unit is powered by Pratt & Whitney JT8D-217 engines.
The MD-87 is the second-smallest narrow-body (and the smallest American-made narrow-body) jetliner owned by Fifty-Two Air Lines. It is owned by the Executive division. Its flight deck sports the modernized cockpit of the MD-88.