(a) For all taxable years commencing after December 31, 1991, all property owned and primarily operated as an airport by an airport authority established under Kan. Stat. Ann. § 3-162 et seq., and amendments thereto, including property leased by the airport authority for aviation related purposes, shall be exempt from all property or ad valorem taxes levied under the laws of this state. If the term of any lease existing on April 15, 1991, of any property for purposes not aviation related extends beyond tax year 1991, such property shall be exempt from all property or ad valorem taxes levied under the laws of this state until the tax year next following the tax year during which such lease expires.

(b) All property or ad valorem taxes, including any penalties and interest accrued thereon, imposed upon any property described by subsection (a) for all taxable years commencing prior to January 1, 1992, are hereby declared to be canceled.

(c) The county or district appraiser shall value the land and improvements, and the value of the land and improvements may be entered on the assessment rolls in separate entries and descriptions. The provisions of this subsection shall be applicable to all taxable years commencing after December 31, 1991.