Terrain
A precision approach is not possible to either runway end due to steep, rising terrain (elevation 3,600 feet) less than six miles (10 km) east of the airport. There have been several crashes due to pilots not maintaining sufficient altitude over these nearby mountains (often flying VFR at night).
On March 16, 1991, seven members of Reba McEntire's band and her road manager were among 10 people who died in the crash of a plane that departed from Brown Field. The aircraft impacted terrain on Otay Mountain northeast of the airport.
Read more about this topic: Brown Field Municipal Airport