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Ärna Air Base
Ärna or Uppsala Air Base is an air base located northwest of Uppsala, Sweden. It is a base of the Swedish Air Force. In 2009, it was announced that the Armed Forces had the intention to phase out its airport unit on 1 July 2010 and hand over the operation of the aerodrome to a private operator. However, on 19 December 2009, it was announced by the Supreme Commander that the Armed Forces will continue military air operations. This is because the alternative proposals to locate the flight operations were not feasible. Since 14 October 2021, Uppland Wing (F 16) is based at Ärna Air Base. Commercial flights The company Uppsala Airport AB (formerly Uppsala Air AB), formed in 2004, applied to the government for permission to start commercial aviation at Ärna. The company claimed, based on calculations made in 2009 and 2010, that in five years' time the airport could serve up to 1.6 million passengers every year. The emphasis would primarily have been on low cost flights and charter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asphalt Concrete
Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth century. It consists of mineral aggregate bound together with asphalt, laid in layers, and compacted. The process was refined and enhanced by Belgian-American inventor Edward De Smedt. The terms ''asphalt'' (or ''asphaltic'') ''concrete'', ''bituminous asphalt concrete'', and ''bituminous mixture'' are typically used only in engineering and construction documents, which define concrete as any composite material composed of mineral aggregate adhered with a binder. The abbreviation, ''AC'', is sometimes used for ''asphalt concrete'' but can also denote ''asphalt content'' or ''asphalt cement'', ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
