The Castroville Municipal Airport is 22 minutes from downtown San Antonio, and located just off of Highway 90 on the east side of the city. The Airport consists of 458.88 acres used partly for aviation-related uses, as well as for farming. The CVB is classified as a B-II General Use Airport. The B-II classification supports a weight category of 15,000 pounds, single wheel aircraft, for up to 12 passengers. The CVB is an uncontrolled (no control tower) field located in Class G Airspace. The field is lighted from sundown to dawn. The Airport recently extended the runway to 5,001 feet in order to accommodate corporate jets.