Any county which has established a public airport, pursuant to the authority granted in Kan. Stat. Ann. § 3-302, may, through its board of county commissioners, issue revenue bonds for the acquisition, construction, alteration, repair, improvement, extension or enlargement of any facility of such airport or any facility for warehousing, industry or transportation located at such airport. Such bonds shall be issued in the same manner provided in Kan. Stat. Ann. § 3-303 for the issuance of general obligation bonds for such airport, and before any such bonds may be issued, said board of county commissioners shall, by resolution, provide that the net income from any airport facility, or any facility for warehousing, industry or transportation located at such airport, which is acquired, constructed, altered, repaired, improved, extended or enlarged with the proceeds of bonds issued hereunder shall be pledged for the payment of said bonds.