Hutchinson Air Force Station

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Hutchinson Air Force Station (1952-1968) - A Cold War Air Force Radar Station first established in 1952 near Hutchinson, Reno County, Kansas. Named Hutchinson Air Force Station after the location. Collocated with the now-closed Hutchinson Naval Air Station. Initially assigned a Permanent ID of P-47, later a Sage ID of Z-47. Abandoned in 1968. Now known as Hutchinson FAA Radar Site.

Former Hutchinson AFS Search Radar Tower now FAA Operated.
Former Hutchinson AFS GATR Transmitter Site, Repurposed.
Former Hutchinson AFS Now FAA Radar Site. L-R, Search Radar Tower, AF Operations Building and Backup Power Building.
Former Hutchinson AFS Cantonment Multipurpose Building (HQ, Orderly Room, etc.)

History

Former Hutchinson AFS Main Site Gate Shack

Established on 1 May 1951 as Hutchinson Air Force Station manned by the 793rd AC&W Squadron and became operational in May 1952. The station initially had both a Ground-Control Intercept (GCI) and early warning mission. The early warning mission involved tracking and identifying all aircraft entering their airspace while the GCI mission involved guiding Air Force interceptors to any identified enemy aircraft. Controllers at the station vectored fighter aircraft at the correct course and speed to intercept enemy aircraft using voice commands via ground-to-air radio.

Initial equipment included two FPS-10 search/height-finder radars. In 1958 the FPS-3 search radar and a pair of FPS-6A height finders were installed. The FPS-3 was upgraded to an FPS-20. In 1959 Hutchinson AFS was also performing air traffic control duties for the Federal Aviation Administration (FAA).

SAGE System Transition

The transition of the manual GCI system to the automated SAGE system began with the installation of the FST-2 coordinate data transmitter and search radar upgrades. The FST-2 equipment digitized the radar returns and transmitted the digital returns to the SAGE direction center. Under the SAGE System, interceptor aircraft were directed to their targets by the direction center computers and controllers, greatly reducing the need for local controllers and equipment at every radar station.

The FST-2 was a very large digital system using vacuum tube technology. Over 6900 vacuum tubes were used in each FST-2 requiring 21 air-conditioned cabinets, 40 tons of air conditioning, 43.5 kva of prime power and usually a large new addition to the operations building. The FST-2B modification added two more cabinets but with newer solid state (transistor) technology to process coded responses from aircraft transponders.

SAGE System Operation

The site began operation as a SAGE site in January 1961 initially feeding the Sioux City SAGE Direction Center DC-22. The search radar was upgraded to an FPS-66 and an FPS-26A height-finder radar was installed replacing one of the FPS-6As.

Closure

The 793rd Radar Squadron was deactivated on 8 Sep 1968 and the site closed on 30 Sep 1968. The FAA acquired a small compound that included the search tower and a height finder tower and continued to operate the site. The radar site remained in operation as Hutchinson FAA Radar Site. The FPS-66 was replaced with a Common Air Route Surveillance Radar (CARSR) circa 2015.

Gap Fillers

Hutchinson AFS was responsible for the maintenance of two remote unattended gap filler radar sites. The gap filler sites were placed in locations where the main search radar lacked coverage. These sites sent digitized radar target data directly to a direction center. Maintenance teams were dispatched from Hutchinson AFS for regularly scheduled maintenance or when fault indicators suggested the site had problems. The Hutchinson AFS gap filler radars were located at Ellsworth and Wilsey, Kansas.

Hutchinson AFS Gap Filler Radar Sites (edit list)
ADC NORAD Location State Type From To GPS Notes
P-47A Z-47A Ellsworth KS FPS-14, FST-1 1958 1961 38.84142,
-98.19695
P-47B Z-47B Wilsey KS FPS-18, FST-1 1958 1961 38.66687,
-96.7361

Physical Plant

Former Hutchinson AFS Base Housing Area, Now Private Homes.

The physical plant of the site was divided into a main site, a cantonment area, a housing area and a radio site. The main site housed the operations buildings, the radar towers, and the backup generators. The cantonment area housed the enlisted barracks, the bachelor officer's quarters, the orderly room, the dining hall, the motor pool and other support buildings. Apart from the main site was a small housing area for critical married personnel. A separate Ground to Air Transmitter/Receiver (GATR) radio site housed the radio equipment for directing aircraft intercepts.



Hutchinson AFS Major Equipment List
Search Radar HF Radar Data Systems
Unit Designations
  • 793rd Aircraft Control & Warning (AC&W) Squadron (1952-1962)
  • 793rd Radar Squadron (SAGE) (1962-1968)
793rd Assignments
  • 1 May 1951 - Activated at Hutchinson AFS, KS, assigned to 546th AC&W Gp.
  • 4 Jun 1951 - Transferred to 159th ACSW Gp.
  • 6 Feb 1952 - Transferred to 33rd AD.
  • 1 Mar 1956 - Transferred to 20th AD.
  • 1 Jan 1960 - Transferred to Kansas City ADS.
  • 1 Jul 1961 - Transferred to Sioux City ADS.
  • 1 Feb 1962 - Redesignated from AC&W Sq to 793rd Radar Sq (SAGE).
  • 1 Apr 1966 - Transferred to 30th AD.
  • 8 Sep 1968 - Discontinued.


Current Status

The Cantonment area is now the Hutchinson Community College and Area Vocational School, The FAA still operates a radar at the main site. The housing area is now privately owned homes.


Location: Hutchinson in Reno County, Kansas.

Maps & Images

Lat: 37.92611 Long: -97.88694

See Also:

Sources:

  • Cornett, Lloyd H. & Johnson, Mildred W., A Handbook of Aerospace Defense Organization (1946-1980), Office of History ADC, Peterson AFB, Colorado, 31 Dec 1980, 179 pages, Pdf, page 170.
  • Winkler, David F., Searching the skies: the legacy of the United States Cold War defense radar program, USAF Hq Air Combat Command, 1997, 192 pages, Pdf, page 116.
  • NORAD/CONAD Historical Summary Jan-Dec 1966, dated 1 May 1967, Command History Division, HQ NORAD/CONAD, Unclassified (originally classified Secret), pdf, pages 28-31, Backup Intercept Control Systems
  • USGS Geographic Names Information System (GNIS) Database Entry: 2087768


Links:

Visited: 8 Jun 2015


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