Adak Airport (IATA: ADK, ICAO: PADK, FAA LID: ADK) is a state owned, public use airport located west of Adak, on Adak Island in the U.S. state of Alaska. The airport is the farthest west for the entire United States at 176.64W. As per the Federal Aviation Administration, this airport had 1,989 passenger boardings (enplanements) in calendar year 2008, 1,907 in 2009, and 2,097 in 2010. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a general aviation facility (the commercial service category requires at least 2,500 enplanements per year).