 Visitors are welcome to come to the airport and watch the flight activity, which does not interfere with other operations.Two annual competitions are sponsored by the San Diego Aerobatic Club, in April and October.Borrego Springs Airlines, a locally based commuter air carrier, was serving the airport during the late 1960s with scheduled nonstop flights to San Diego (SAN) and Palm Springs (PSP) operated with Cessna 402 twin prop aircraft.