California Code, Government Code - GOV § 37442

(a) Manufacture of aircraft, airplane engines, and aircraft equipment, parts, and accessories.

(b) Construction and maintenance of hangars, mooring masts, flying fields, signal lights, radio equipment, service shops, conveniences, appliances, works, structures, and other air navigation, aircraft, and airplane engine manufacturing plants and facilities.

The sale or lease shall be made in such manner and upon such terms and conditions as the legislative body may specify.