Sec. 3-18. - Definitions—Generally.

For the purpose of this article, the following words and phrases shall have the meanings respectively ascribed to them by this section:

Airport. Sonoma County Airport, located latitude north 38° 30′ 20″, longitude, 122° 48′ 30″ west, publicly owned and operated and so located that its exterior boundaries or any area within two (2) miles thereof lie wholly or partly in unincorporated parts of the county.

Airport reference point. A point selected and marked as the approximate geometric center of the northwest-southeast runway.

Flight hazard; hazard to air navigation; obstruction to aerial navigation. Any structure or use of land, or any tree or other object of natural growth, which obstructs the air space required for the flight of aircraft in landing or taking off at the airport or is otherwise hazardous to such landing or taking off of aircraft.

Landing area. The area of the airport used for the landing, taking off or taxiing of aircraft, consisting of the area extending five hundred feet (500') each side of the center line of each runway and two hundred feet (200') outward from the end of each runway, and containing no structures or trees above the actual runway elevation.

Nonconforming use. Any structure or use of land which does not conform to a regulation prescribed in this article or an amendment thereto, as of the effective date of such regulations.

Owner. The county or its legally constituted successor.

Runway. The portion of the landing area which has been hard-surfaced and is generally used for landing and taking off of aircraft.

Structure. Any object constructed or installed by man, including, but without limitation, buildings, towers, smoke stacks and overhead transmission lines.

Tree. Any object of natural growth.

Zoning administrator. The county zoning administrator as identified in Chapter 2 of this code.

(Ord. No. 629 § 3)

(Ord. No. 6523, § IV(Exh. B), 6-3-2025)