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| image = | image-width = | IATA = | ICAO = | type = Public | owner-oper = | city-served = Trondheim | location = Valset, Jonsvatnet, Trondheim, Norway | elevation-f = | elevation-m = | coordinates = | latd = 63 | latm = 23 | lats = 27 | latNS = N | longd= 010 | longm= 33 | longs= 11 | longEW= E | pushpin_map = Norway | pushpin_relief = 1 | pushpin_label_position = | pushpin_label = Jonsvatnet | pushpin_map_alt = | pushpin_mapsize = 250 | pushpin_image = | pushpin_map_caption = Location in Norway | metric-elev = y | metric-rwy = y | r1-number = | r1-length-f = | r1-length-m = | r1-surface = Water | stat-year = | stat1-header = | stat1-data = | stat2-header = | stat2-data = | stat3-header = | stat3-data = | footnotes = }} Trondheim Airport, Jonsvatnet ((ノルウェー語:Trondheim sjøflyplass, Jonsvatnet)) was a water aerodrome located at Valset on the lake of Jonsvatnet in Trondheim, Norway. The airport was built as the first permanent airport serving Trondheim and initially was used for Norwegian Air Lines' (DNL) routes which commenced in 1935. Ahead of the 1936 season the airport was equipped with permanent installations, including wharfs and a small terminal building. In 1937 the airport was used by Widerøe, before DNL returned the following year. During World War II the airport was taken over by the Luftwaffe, which used the ice on the lake as an airfield. Two aircraft which sank when the ice thawed were raised in 2004. Jonsvatnet was expanded and became a reserve airport for Trondheim Airport, Hommelvik, and Trondheim Airport, Ilsvika. After the war ended the airport was largely left unmaintained, but was variously used by DNL and later Vestlandske Luftfartsselskap as a reserve airport until 1957. The aviation club Trondheim Flyklubb reopened the airport in 1967 and remained there until 2013, when the airport was closed, since the airport's existence was incompatible with Jonsvatnet serving as the main source of drinking water for Trondheim. ==History== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trondheim Airport, Jonsvatnet」の詳細全文を読む スポンサード リンク
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