Spotted Island Air Station

Spotted Island Air Station (ADC ID: N-27B) is a closed General Surveillance-Gap Filler radar station. It is located 195 mi east of CFB Goose Bay, Newfoundland and Labrador. It was closed in 1961.

History
The site was established in 1957 as a manned Gap Filler radar station, built by the United States Air Force, under operational control of Cartwright Air Station and part of the Pinetree Line of Ground-Control Intercept (GCI) radar sites.

The station was assigned to Aerospace Defense Command in 1957, and was given designation "N-27B". Aerospace Defense Command stationed the 922d Aircraft Control and Warning Squadron at the station in 1957. It operated an AN/FPS-14 manned Gap Filler search radar.

USAF units and assignments
Units:
 * 922d Aircraft Control and Warning Squadron, Activated at Grenier AFB, New Hampshire 26 May 1953
 * Moved to Cartwright Air Station, 1 October 1953
 * Discontinued 1961

Assignments:
 * 4732d Air Defense Group (ADC), 1 April 1957
 * Goose Air Defense Sector, 1 April 1960