N.Y. Gen. Mun. Law § 353-A
Two or more adjoining counties or two cities in the same county or adjoining counties, or a city and one or more villages located within the same county or adjoining counties, or two or more villages, located within the same county, or adjoining counties, or two or more towns in the same county or adjoining counties, or a city and one or more towns located within the same county or adjoining counties, or a town and one or more villages (including a village or villages within such town), located within the same county or adjoining counties, may jointly acquire real property by purchase, lease or condemnation for the purposes of this article and establish, construct, equip, maintain and operate for such municipalities jointly an airport or landing field. The ordinance, local law or resolution providing for such action shall be adopted by the local legislative body or board of trustees of each municipality and shall create a committee to be at all times composed of members of each of such bodies or boards to acquire necessary real property, in the name of the municipalities jointly, and as their joint agent, and to have charge of the construction, equipment, maintenance and operation of such airport or landing field. The ordinance, local law or resolution may specify matters as to which the action of the committee shall require the joint approval of such bodies or boards. The ordinance, local law or resolution also shall prescribe the proportions of the cost of such project to be borne by the municipalities respectively. The moneys to pay the share to be borne by each municipality may be provided in the manner prescribed by this article. The ordinance, local law or resolution may be amended from time to time with the concurrence of each of such bodies or boards, and the boundaries of the airport or landing place may be extended or the project abandoned in like manner at any time. A joint airport or landing place established under this article shall be located in one or more of the counties participating in the joint undertaking, or within the county in which the cities or one of them is located, or the county in which the villages or towns are located. The limitation contained in section three hundred and fifty as to distance from the boundaries of any such city, village or town shall not apply to such a joint airport or landing place.
N.Y. Gen. Mun. Law § 353-A