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Flesland Air Station

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Flesland Air Station
Summary
Airport typeJoint (military and civilian)
OwnerRoyal Norwegian Air Force
LocationFlesland, Bergen, Norway
Elevation AMSL50.6 m / 166 ft
Map
BGO is located in Norway
BGO
BGO
Map
Runways
Direction Length Surface
m ft
17/35 2,990 9,810 Asphalt/concrete

Flesland Air Station (Template:Lang-no) is a military air base situated at Flesland in Bergen, Norway. Part of the Royal Norwegian Air Force (RNoAF), it shares a 2,990-meter (9,810 ft) runway with Bergen Airport, Flesland. The air station has since 1999 had a mobilization status and is only manned with six employees. Its main structure is an subterranean hangar with space for 25 fighter jets.

Construction began in 1952 and the following year the North Atlantic Treaty Organization (NATO) issued grants for a long runway. The facility cost 70 million Norwegian krone and opened on 14 September 1954. Flesland was never the permanent base of any squadrons. Its role was intended as a forward operating base for the United States Air Force (USAF) in case the Cold War turned hot. From about 1966 Flesland became a forward storage facility for nuclear warheads, which could be moved to the air station in case of war. From 1985 the became operational as a collocated operating base, with supplies and facilities for USAF aircraft. Flesland Air Station was gradually mothballed during the 1990s.

History

Prelude

The first military air base to serve Bergen was Bergen Naval Air Station, situated on the island of Flatøy in what is today Meland. Construction was started in 1917 and was commissioned in August 1919.[1] It served as one of the four main air stations for the Royal Norwegian Navy Air Service until 1940.[2] During the 1930s there were launched plans to build a land airport in Bergen. Flesland, which was at the time located in the then independent municipality of Fana, was one alternative. The other main alternative was Herdla, an island northern-most in Askøy. The main disadvantage with Flesland was the topography and that it would not be possible to build longer runways than 800 and 850 meters (2,620 and 2,790 ft), respectively.[3]

After the German invasion of Norway in April 1940, the Wehrmacht started looking for a location for an airstrip. They were partially in need for a counteraction against British raids and in part in need to protect German ship traffic. Four locations were considered: Nesttun, Haukåsmyrene in Åsane, Flesland and Herdla. The choice of Herdla was taken after a German bomber emergency landed in a field and was later able to take off from there. Herdla Airport received two runways, the longest 1,000 meters (3,300 ft).[3]

General Dynamics F-16 Fighting Falcon and a Braathens SAFE Boeing 737-200 at Flesland in 1981

The Civil Aviation Administration (CAA) started working on plans for an airport for Bergen in 1947. Herdla was by them seen as the prime candidate, predominantly due to the rugged topography around Bergen.[4] The CAA recommended that Herdla be chosen and that the two runways be expanded. However, its director, Einar Bøe, was skeptical to the Herdla plans, citing the lack of possibilities to extend the runway past the initially proposed 1,500 meters (4,900 ft) and the long travel distance from Herdla to the city. At the time there was no bridge neither from Herdla to Askøy nor from Askøy to the mainland, nor was there a road across the island. Transport would therefore have to be carried out from Bergen using a ferry. The Minister of Transport and Communications Nils Langhelle from Bergen supported Bøe's concerns and recommended that Parliament place construction of an airport serving Bergen on hold.[5]

Engineering reports were made of both Herdla and Flesland in 1950 and 1951. Previous investigations of Flesland had concluded that the length of the runway was limited to a small valley which is located at about the middle of the current runway. The new report proposed connecting the proposed area to a larger area to the south of the valley, which was at the right elevation. This would allow for a 3,000-meter (9,800 ft) runway.[6] A political concern was the high cost of constructing a new airport.[7]

Construction

General Dynamics F-16 Fighting Falcon of the United States Air Force's 4th Tactical Fighter Squadron in January 1981—the first ever overseas deployment of the F-16

At the same time the Royal Norwegian Air Force stated looking at Flesland as a suitable air station. Military engineers surveyed the area and concluded that it was well-suited for military purposes. NATO granted funding for seven air stations in Norway in 1952, but these did not include Flesland.[8] Financing was instead secured through a national military communications project, of which NOK 16 million was set aside over a period of three years, which would secure construction of a 1,460-meter (4,790 ft) runway. A further NOK 4 million was presumed financed by the municipalities of Bergen and Fana to build a terminal, expropriation and a road. The plans were passed by Parliament on 25 April 1952. The military funding was arranged by Langhelle, who by then had been appointed Minister of Defence. Flesland received additional NATO grants in 1953, allocating NOK 50 million. The Ministry of Defence paid the remaining NOK 5 million. The increased funding allowed the runway to be extended to 2,440 meters (8,010 ft).[9]

Construction started on 14 August 1952 with construction of a road from Blomsterdalen.[10] Work on the airport lot itself started in early 1953. Between 200 and 300 people partook in the construction, some of which lived in sheds at Nordheim. Work was carried out in two shifts. Thirty farms were partially expropriated. Half a million cubic meters (18 million cu ft) of rock were blasted and a similar amount of earthwork moved in the construction process. The work consisted of a 2,440-by-45-meter (8,005 by 148 ft) runway and an equivalently long taxiway, although it was only half the width. The terminal building cost NOK 200,000 and was located next to a parking lot with place for seventy cars. A 12 kilometers (7.5 mi) long barbed wire fence circumferenced the airport.[11] The airport had instrument landing system from the start.[12] Two people were killed in the construction, which had a total cost of NOK 70 million.[11]

Operational history

Westland Sea King of the 330 Squadron

The first aircraft to land at the airport was a de Havilland Canada DHC-3 Otter of the air force on 18 June 1954. At the time 800 meters (2,600 ft) of the runway was completed. Later that year the paved section was extended to 1,500 meters (4,900 ft) and several Douglas DC-3 aircraft landed.[13] The military officially took the airport into use on 14 September 1954.[13] The official civilian opening took place on 2 October 1955. By then the airport had a temporary terminal and control tower, the airport road was not paved, aviation fuel tanks were not installed and there was no snow-removal equipment.[14] The 338 Squadron was temporarily moved to Flesland for the summer of 1958, while the runway at Ørland Main Air Station was upgraded.[15]

A contentious issue arose in the late 1950s concerning the storage of American nuclear warheads in Norway. For Western Norway Sola Air Station was designated as such a site.[16] By 1959 the plans were changed and instead Flesland was selected as a Norwegian site along with Bodø Main Air Station for Class C warheads, to be used with attack aircraft.[17] Work commenced in 1964 and by 1966 the special ammunition storage (SAS) was taken into use. Flesland would in this capacity be placed under command of Allied Forces Northern Europe and serve the Third Air Force of the USAF.[18] Nuclear weapon components are presumed to have been stored at Flesland, although the actually warheads presumably never have.[19]

With the establishment of SAS, Flesland became an important NATO training station. The logistics surrounding the use by a strike force, Operation Dovetail, was carried out every four to eight weeks.[20] Every other year there were larger exercises with about a dozen aircraft and lasting for several weeks.[21] It is believed that in case of a nuclear strike on the Soviet Union, the nuclear warheads would be transferred to Flesland from other sites in Europe, ready for the arrival of the attack aircraft.[22] The confidentiality meant that most of the RNoAF was unknown to Flesland's strategic role and in the late 1960s the airport was proposed closed in the late 1960s by parts of the RNoAF unaware of its function. This caused the American strike force to also receive a conventional role, which could be made public and be used as a public excuse to retain the operational level at Flesland.[23]

A Mark 82 bomb on a bomb loader during an American Cold War exercise at Flesland

The Norwegian High Command and the United States Air Force agreed on 29 May 1974 that there would be established nine collocated operating bases (COB) in Norway, including Flesland. This involved establishing nine air stations which in case of crisis and war could act as forward operating bases for about six hundred US aircraft. In addition to ground support for the aircraft and crew, it involved the stationing of spare parts, ammunition and fuel. The COBs were completed in 1985. By 1993 the US was no longer interested in them and Flesland lost this status from 1994.[24]

In early 1981 the United States Air Force's 4th Tactical Fighter Squadron visited Flesland. This was the first time operational General Dynamics F-16 Fighting Falcons were deployed outside the United States.[25] A new control tower was taken into use in 1991.[26]

With the ending of the Cold War following the dissolution of the Soviet Union in 1991, the military activity at Flesland diminished.[27] Planning of the downgrading of the air station had started in 1988, and from 1995 only personnel necessary for maintaining infrastructure was left, reducing the crew to 33. The final demise of the air station came in 1999, when all stationary assets were sold, including 30 vehicles. The daily operation of the air station was transferred to the Royal Norwegian Navy, who have six employees at the base. Flesland Air Station has since only held mobilization status and will only be used by the air force in case of war and larger emergencies.[28]

Facilities

General Dynamics F-16 Fighting Falcons of the United States Air Force's 4th Tactical Fighter Squadron in January 1981—the first ever overseas deployment of the F-16

Flesland is a joint military and civilian airport, situated at Flesland, westernmost in the Ytrebygda borough of Bergen, Norway. The air station takes up the northeastern section of the aerodrome area, and shares the runway and taxiway system with the civilian section. Flesland Air Station has mobilization status and will under current plans only taken into use during war. In this state its limited facilities are maintained by the Royal Norwegian Navy, which have six employees working at the base.[28] This consists of some activity in the COB hangar, the technical workshop and some storage ares. The RNoAF retains ownership of most of the aerodrome, including the squadron area, a buffer zone around it, as well as the runway and the parallel taxiway.[29]

The runway is designated 17/35, roughly north–south, and measures 2,990 by 45 meters (9,810 by 148 ft). This includes a 270-meter (890 ft) overrun at each end which is only used under military rules. The overruns and 105 meters (344 ft) on the inside of each threshold are concrete—the rest being asphalt.[30] There is a parallel taxiway for the length of the runway.[31] Both directions have full category I instrument landing system, including precision approach path indicator. Both primary and secondary radar are installed.[32]

The squadron area features a series of hardened aircraft shelters which are connected by means of a taxiway.[33] The centerpiece is a subterranean hall, the COB hangar, which has capacity for twenty-five fighter aircraft. These also include barracks and commando facilities.[27]

Future

The Norwegian Defence Estates Agency, the owner of the facility, stated in 2011 that they may in the future sell the property. This is part of a national coordination project where Avinor and the military have agreed to allow the primary user of each joint aerodrome to become the owner of the facility.[34]

Avinor estimates that the amount of traffic at Flesland will exceed the capacity of a single runway by 2025. The agency has therefore proposed that a second runway be built. Due to requirements of it being at least 1,035 meters (3,396 ft) from the existing runway, the only suitable site is at the squadron area of the air station. It is proposed to have a length of 2,360 meters (7,740 ft).[35]

References

  1. ^ Hafsten & Arheim: 40
  2. ^ Hafsten & Arheim: 42
  3. ^ a b Østerbø: 40
  4. ^ Østerbø: 43
  5. ^ Østerbø: 44
  6. ^ Østerbø: 46
  7. ^ Østerbø: 63
  8. ^ Østerbø: 64
  9. ^ Østerbø: 66
  10. ^ Østerbø: 53
  11. ^ a b Østerbø: 56
  12. ^ Østerbø: 78
  13. ^ a b Østerbø: 72
  14. ^ Østerbø: 69
  15. ^ Arheim: 150
  16. ^ Skogrand & Tamnes: 254
  17. ^ Skogrand & Tamnes: 257
  18. ^ Skogrand & Tamnes: 261
  19. ^ Skogrand & Tamnes: 263
  20. ^ Skogrand & Tamnes: 212
  21. ^ Østerbø: 92
  22. ^ Skogrand & Tamnes: 214
  23. ^ Skogrand & Tamnes: 213
  24. ^ Arheim: 62
  25. ^ Arheim: 224
  26. ^ Avinor: 29
  27. ^ a b Østerbø: 91
  28. ^ a b Østerbø: 96
  29. ^ Avinor: 8
  30. ^ Avinor: 20
  31. ^ Avinor: 21
  32. ^ Avinor: 22
  33. ^ Avinor: 44
  34. ^ Avinor: 9
  35. ^ Avinor: 41

Bibliography

Wikimedia Commons has media related to Flesland Air Station.
  • Arheim, Tom; Hafsten, Bjørn; Olsen, Bjørn; Thuve, Sverre (1994). Fra Spitfire til F-16: Luftforsvaret 50 år 1944–1994 (in Norwegian). Oslo: Sem & Stenersen. ISBN 82-7046-068-0.
  • Avinor (2011). "Bergen lufthavn Flesland Masterplan 2012" (in Norwegian). Archived from the original (PDF) on 2 October 2012. Retrieved 2 October 2012. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  • Hafsten, Bjørn; Arheim, Tom (2003). Marinens flygevåpen 1912–1944 (in Norwegian). TankeStreken. ISBN 82-993535-1-3.
  • Skogrand, Kjetil; Tamnes, Rolf (2001). Fryktens likevekt (in Norwegian). Oslo: Tiden Norsk Forlag. ISBN 82-10-04623-3.
  • Østerbø, Kjell (2005). Da Bergen tok av (in Norwegian). Avinor. ISBN 82-303-0495-5.
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