Mitchellville, Maryland's Freeway Airport has a collection of planes that includes what type of single-engine plane built by Piper Aircraft?
Freeway Airport:  They have Cessna 152's, 162's, 172's, a PA28R-200 IFR, and a PA-44 180 IFR available to rent. Piper PA-28 Cherokee: The Piper PA-28 Cherokee is a family of light aircraft built by Piper Aircraft and designed for flight training, air taxi, and personal use. Piper PA-28 Cherokee:  The PA-28 family of aircraft are all-metal, unpressurized, single-engine, piston-powered airplanes with low-mounted wings and tricycle landing gear.
Piper PA-28 Cherokee