 On July 4, 2010, a twin-engine Cessna 421 operated by O’Hara Flying Service II LP of Amarillo flying as an air ambulance was en route to Midland, Texas when it crashed in a field one mile (1.6 km) east of Alpine–Casparis Municipal Airport, killing all five persons on board.Alpine–Casparis Municipal Airport covers an area of which contains two asphalt paved runways