Piper PA-28 Cherokee

The Piper PA-28 Cherokee is a family of two-seat or four-seat light aircraft built by Piper Aircraft and designed for flight training, air taxi and personal use. The PA-28 family of aircraft comprises all-metal, unpressurized, single piston-engined airplanes with low mounted wings and tricycle landing gear. They have a single door on the right side, which is entered by stepping on the wing.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.