Pacific Southwest Airlines Flight 1771
Pacific Southwest Airlines Flight 1771 was a scheduled domestic passenger flight from Los Angeles to San Francisco. On December 7, 1987, the British Aerospace 146-200A, registration N350PS, was intentionally crashed in San Luis Obispo County near Cayucos, after being hijacked by a passenger.
Source: Wikipedia — Pacific Southwest Airlines Flight 1771 (CC BY-SA 4.0)