Vt. Stat. tit. 5 § 606
An airport or landing field shall not be established or constructed, or equipped, maintained, or improved by a municipality, acting either singly or jointly with one or more other municipalities, unless and until a proposition fixing the maximum amount that may be expended by the municipality for such establishment, construction, equipment, or improvement has been submitted to an annual or special meeting of the municipality and adopted by a majority vote of the qualified voters voting on the proposition. A municipality may use and expend all income derived from the operation of the airport or landing field for maintenance and upkeep of the airport or landing field and pledge its credit and issue notes or bonds for the purposes of this subchapter in accordance with the provisions of the general law or the charter applicable to the municipality.
5 V.S.A. § 606