The U.S. aircraft register, updated daily
Reserved tail number · FAA record as of October 2, 2026
N57SK

N57SK is reserved by a private party since July 19, 2025. Reservation type: Fee paid, expiration notice sent. An expiration notice was issued on May 19, 2026.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site