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Cartwright Air Station
Part of Pinetree Line
Labrador, Canada
922d Aircraft Control and Warning Squadron - Emblem.png
Emblem of the 922d Aircraft Control and Warning Squadron
Type Radar Station
Coordinates Latitude:
Built 1953
Built by United States Air Force
In use 1953-1968
Controlled by Northeast Air Command
Aerospace Defense Command

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Cartwright Air Station (ADC ID: N-27) is a closed General Surveillance Radar station. It is located 145.2 miles (233.7 km) east-northeast of CFB Goose Bay, Newfoundland and Labrador.[1] It was closed in 1968.


The site was established in 1953 as a General Surveillance Radar station, funded by the United States Air Force. It was used initially by the Northeast Air Command, which stationed the 922d Aircraft Control and Warning Squadron on the station on 1 October 1953. The station functioned as a Ground-Control Intercept (GCI) and warning station. As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes.[2]

It was equipped with the following radars:

The station was re-assigned to the USAF Air Defense Command on 1 April 1957, and was given designation "N-27". In 1963, the site was connected to the Manual Data Center at Goose AFB.[3]

In addition to the main facility, Cartwright operated several AN/FPS-14 manned Gap Filler sites:

On 18 June 1968, the USAF transferred control of the site to the Canadian Forces. It was inactivated and closed. Today, the remains of the station are abandoned.

USAF units and assignments


  • 922d Aircraft Control and Warning Squadron, Activated at Grenier AFB, New Hampshire 26 May 1953
Moved to Cartwright Air Station, 1 October 1953
Discontinued 18 June 1968


North Warning System

A long Range AN/FPS-117 surveillance radar site was built 13.5 miles (21.7 km) south of Cartwright Air Station in November 1998 as part of the North Warning System to cover any Long Range Radar surveillance gaps. The new site (LAB-6) consists of a radar towers, communications facility, and storage and tunnel connected buildings for personnel.

See also


 This article incorporates public domain material from the Air Force Historical Research Agency website

  • A Handbook of Aerospace Defense Organization 1946 - 1980, by Lloyd H. Cornett and Mildred W. Johnson, Office of History, Aerospace Defense Center, Peterson Air Force Base, Colorado
  • Winkler, David F. (1997), Searching the skies: the legacy of the United States Cold War defense radar program. Prepared for United States Air Force Headquarters Air Combat Command.

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