William M. Wrigley Company

Dassault Falcon 50

High sink rate developed on short final. Acft touched down 13 feet prior to runway before sink rate could be arrested. Landing gear collapsed after contacting edge of runway which is 7 inches higher than surrounding terrain. Tail section of aircraft caught fire just prior to coming to a complete stop 2,900 feet down the runway. Pilots who frequently fly in and out of the airport stated, wind shifts near the runway are common in gusty conditions because of hilly terrain.