Vt. Stat. Ann. tit. 5, § 1013

In granting any permit or variance under sections 1011-1013 of this title, if it deems such action advisable to accomplish the purposes of this chapter and reasonable in the circumstances, the administrative agency or board of adjustment may so condition the permit or variance as to require the owner of the airport hazard in question to permit the political subdivision, at its own expense, to install, operate and maintain such markers and lights as may be necessary to indicate to flyers the presence of an airport hazard.