Circle Air (formerly Jet Air), located at Gillespie Field (KSEE) in El Cajon, CA, is a full service FBO offering a private passenger terminal with world class concierge services and amenities, the largest FAA Class IV Part 145 repair shop in San Diego and comprehensive onsite avionics shop. We specialize in Citation, Gulfstream, Falcon and larger aircraft. We have over 70,000 sq. ft. of hangar rental and over 400,000 sq. ft. of concrete ramp space. Just 20 minutes from Downtown and La Jolla.