Sky Harbour Group Corp is an aviation infrastructure company focused on developing, owning, and leasing premium private aviation hangar campuses at U.S. airports. The company pursued its public listing through Yellowstone Acquisition Company, a blank-check special purpose acquisition company that traded on Nasdaq under the ticker YSAC and completed its IPO in 2021. An S-1 registration statement was filed on September 9, 2022, under accession number 0001437749-22-022142, in connection with the proposed business combination. The transaction targeted the private aviation infrastructure and real-asset sector, with Sky Harbour operating as a ground-lease developer serving private aircraft owners and operators. Sign up at SpacDesk for full filing history, deal timelines, and institutional-grade data on this and every active SPAC.