All three airlines listed San Luis Obispo in their respective system timetables even though their services were actually operated from Paso Robles with Fairchild F-27 propjets.

The primary runway at the San Luis Obispo Airport had been lengthened thus facilitating expanded service provided by larger aircraft.

The Fokker F.27 propjet was the largest aircraft to operate into San Luis Obispo Airport at the time and greatly enhanced passenger comfort for Swift Aire's customers.

A book on the history of Swift Aire Lines was written in 1979 by an authority on commuter airlines, Dr. Imre E. Quastler of San Diego State University.

[4] On March 10, 1979, Swift Aire flight number 235 operated by a Nord 262 twin turboprop aircraft (registration N418SA, pictured) flying from Los Angeles International Airport to Santa Maria with continuing service to San Luis Obispo crashed into the Pacific Ocean off Santa Monica shortly after departing from LAX.