17.40.040    Airport influence area limitations.
   In an airport impact zone and limited development area zone, the following regulations shall apply:
   A.   Uses Permitted Outright. In an airport impact zone, the following uses and their accessory uses are permitted outright:
      1.   Airport;
      2.   Farm use, excluding livestock feed or sales yard and excepting those uses set forth in subsection B of this section.
   B.   Conditional Uses. In limited development area zones, the following uses and their accessory uses may be permitted when authorized in accordance with the requirements of this chapter:
      1.   Farm accessory buildings and uses;
      2.   Mining, quarrying, or other extraction activity, including the processing or refining of ore or other raw materials;
      3.   Utility facility necessary for public service;
      4.   Golf course;
      5.   Park, playground, other public recreation site or facility, or community service facility owned and operated by a governmental agency or nonprofit community organization;
      6.   Veterinary clinic, animal pound or kennel;
      7.   Private or public grounds and buildings for games, sports, riding arenas, race tracks and similar activities;
      8.   Water supply and treatment facility;
      9.   Manufacturing and warehousing;
      10.   Travelers' accommodation facilities;
      11.   Retail and wholesale trade facilities;
      12.   Residential use and development therefore.
   C.   Use Limitations. In a limited development area zone, the following limitations and standards shall apply to all uses permitted, unless a variance has been approved in accordance with subsection 17.40.060(D):
      1.   Chinook Airport: In approach zones up to one thousand, two hundred feet beyond the end of Runway 26 and up to one thousand two hundred feet beyond the end of Runway 8 and within the airport boundary, no meeting place for public or private purposes which is designed to accommodate more than twentyfive persons at any one time shall be permitted. Residential use is limited to one living unit per twenty acres in this portion of the approach zone.
   Harlem Airport: In approach zones up to one thousand two hundred feet beyond the end of Runway 11 and up to six hundred feet beyond the end of Runway 2 9 and within the airport boundary, no meeting place for public or private purposes which is designed to accommodate more than twentyfive persons at any one time shall be permitted. Residential use is limited to one living unit per twenty acres in this portion of the approach zone.
   Turner Airport: In approach zones up to three hundred feet beyond the end of Runway 25 and up to five hundred feet beyond the end of Runway 7, and up to two hundred fifty feet beyond the end of Runway 28 and up to fifty feet beyond the end of Runway 10, and within the airport boundary, no meeting place for public or private purposes which is designed to accommodate more than twentyfive persons at any one time shall be permitted. Residential use is limited to one living unit per twenty acres in this portion of the approach zone.
   Hogeland Airport: In approach zones up the end of the runways on each end and within the airport boundary, no meeting place for public or private purposes which is designed to accommodate more than twentyfive persons at any one time shall be permitted. Residential use is limited to one living unit per twenty acres in this portion of the approach zone.
      2.   Mining or quarry operation will not be permitted if such use will allow or cause ponding which is likely to attract birds.
      3.   No use permitted by subsection (B)(3) of this section shall permit any power lines to be located in runway protection zones and any power line located within an approach zone shall be in conformance with designated approach slope ratios as defined in, FAA FAR Part 77 and other local ordinances that regulate the height of objects.
      4.   No use permitted by this section shall be allowed if such use is likely to attract an unusual quantity of birds, particularly birds which are normally considered high flight.
   D.   Design and Use Criteria. In the consideration of an application for a proposed use in an airport impact zone or a limited development area zone, the Blaine County airport board shall take into account the impact of the proposed use on nearby residential and commercial uses, on resource carrying capacities, on the capacity of transportation and other public facilities and services, and on the appearance of the proposal. In approving a proposed use, the commission shall find that:
      1.   Proposal is in compliance with the airport layout plan, if available.
      2.   Proposal is in compliance with the intent and provisions of this ordinance and more particularly with this section.
      3.   That economic and environmental considerations are in balance.
      4.   That any social, economical, physical, or environmental impacts are reasonably minimized.
      5.   Any application for a proposed use in the airport impact zone or a limited development area zone may be denied if, in the opinion of the commission, the proposed use is not related to the present land use patterns in the area.
      6.   In approving a proposed use in the airport impact zone or a limited development area zone, the commission shall be satisfied that the applicant is fully appraised of the city and county's policy relative to development in the area in relation to the existing airport and accessory uses thereof.
      7.   The Blaine County airport board may require establishment and maintenance of aesthetic or noise screens, the use of a flare resistant material in construction and landscaping, or may attach other similar ions or limitations that will serve to reduce hazards to airport operations, including lighting and marking of airport hazards in accordance with Section 67-4-314 MCA.
(Ord. 494 § 4, 2003).