Sanderson Field (IATA: SHN, ICAO: KSHN, FAA LID: SHN) is a public lighted-land airport located in Shelton, a city in Mason County, Washington, United States. It is located just outside the City of Shelton corporate limits, and is owned and operated by the Port of Shelton. It is bordered on the south by the Mason County Fairgrounds, on the north by a business park and Dayton Airport Road, on the west by the Washington State Patrol Training Academy, and on the east by U.S. Highway 101. The airport was named after Major General Lawson H.