KYKM Yakima Air Terminal (McAllister Field) MSFS McAllister Field (IATA: YKM, ICAO: KYKM, FAA LID: YKM) (known for the Yakima Air Terminal) is a public airport three miles south of Yakima, in Yakima County, Washington. Owned by the City of Yakima, it is used for general aviation and commercial air service.