Tom Madsen (Dutch Harbor) Airport (IATA: DUT, ICAO: PADU, FAA LID: DUT)[2] is a state-owned public-use airport in City of Unalaska,[1] on Amaknak Island in the Aleutian Islands, off the coast of the U.S. state of Alaska.

AirPac also previously served the airport with British Aerospace BAe 146-100 jets with this aircraft type having enhanced short runway takeoff and landing performance and in 1986 was operating direct, no change of plane jet service to Seattle via stops in Anchorage and Sitka.

Other airlines that served the airport in the past included MarkAir operating Boeing 737-200 Combi jet aircraft and Reeve Aleutian Airways flying Lockheed L-188 Electra turboprops via a code sharing agreement with Alaska Airlines.

[7] In 1975, Reeve Aleutian was independently operating NAMC YS-11 turboprops into the airport with service to and from Anchorage three days a week.

For the 12-month period ending December 31, 2007, the airport had 1,295 aircraft operations, an average of 25 per week: 85% scheduled commercial, 8% air taxi, 4% general aviation, and 4% military.