Sparrevohn LRRS Airport is a military airstrip located south of Sparrevohn, in the Yukon–Koyukuk Census Area of the U.S. state of Alaska. The airstrip is also located south of McGrath, Alaska, and west of Anchorage, Alaska. It is not open for public use.OverviewSparrevohn Airport is a United States Air Force military airstrip. Its mission is to provide access to the Sparrevohn Long Range Radar Site for servicing and other requirements.The airstrip was constructed in 1952 as part of the construction of the Sparrevohn Air Force Station. During the station's operational use as a manned radar station, it provided transportation for station personnel and for supplies and equipment to be airlifted to the station. With the manned radar station's closure in 1983, the airstrip now provides access to the unattended site for maintenance personnel and other requirements.It is not staffed by any support personnel, and is not open to the public. During the winter months, it may be inaccessible due to the extreme weather conditions at the location.Facilities and aircraftSparrevohn LRRS has one runway designated 16/34 with a gravel surface measuring 4,198 by 151 feet (1,280 x 46 m). For the 12-month period ending July 17, 1978, the airport had 240 general aviation aircraft operations, an average of 20 per month.