STOL's an initialism for short take-off and landing, a term used to describe aircraft with very short runway requirements. The formal NATO definition (since 1964)'s: » Short Take-Off and Landing (décollage et atterrissage courts)'s the ability of an aircraft to clear a 15 m (50 ft) obstacle within 450 m (1,500 ft) of commencing take-off or, in landing, to stop within 450 m (1,500 ft) after passing over a 15 m obstacle. Many fixed-wing STOL aircraft are bush planes, though some, like the d… (More on Stol)