§ 4.00 DEFINITIONS.

   Unless otherwise expressly stated, or the context clearly indicates a different intention, the following terms shall, for the purposes of this chapter, have the meanings of this chapter. Words used in the present tense shall include the future; the singular number shall include the plural, and the plural the singular. The word “shall” is mandatory and the word “may” is permissive.

§ 4.01.   AIRPORT. The Davenport Municipal Airport, Davenport, Iowa, an area set aside for the landing and take-off of aircraft.

§ 4.02.   AIRPORT ELEVATION. The highest point of the Davenport Municipal Airport’s usable landing area measured in feet above mean sea, which elevation is established to be 753 feet.

§ 4.03.   AIRPORT HAZARD. Any structure or tree or use of land which exceeds the limiting heights in this chapter.

§ 4.04.   AIRPORT HAZARD AREA. Any area of land or water upon which an airport hazard might be established if not prevented by this chapter.

§ 4.05.   NONCONFORMING USE. Any structure, tree or use of land existing on the effective date of this chapter which is inconsistent with this chapter.

§ 4.06.   PERSON. Any individual, firm, co-partnership, corporation, company, association, joint stock association or body politic, and includes any trustee, receiver, assignee or other similar representative thereof.

§ 4.07.   PRIMARY SURFACE. An area longitudinally centered on a runway and extending 200 feet beyond each end of each runway. The width of the primary surface is 1,000 feet for Runway 15-33 and 500 feet for Runway 3-21. The elevation of any point on the primary surface is the same as the elevation of the nearest point on the runway centerline. The runway shall mean the future runway(s) as shown in the Davenport Airport Master Plan.

§ 4.08.   STRUCTURE. Any object constructed or installed by humans, including, but without limitation, mobile objects, buildings, tower, smokestacks and overhead transmission lines, including the poles or other structures supporting the same.

§ 4.09.   TREE. Any object of natural growth.

§ 4.10.   ZONE. A portion of the airport hazard area.