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Helena Regional Airport is a public airport two miles northeast of Helena, in Lewis and Clark County, Montana. It is owned by the Helena Regional Airport Authority.〔 The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a ''primary commercial service'' airport (more than 10,000 enplanements per year).〔 〕 Federal Aviation Administration records say the airport had 85,649 passenger boardings (enplanements) in calendar year 2008,〔 〕 88,314 in 2009 and 98,193 in 2010.〔 〕 == Facilities== Helena Regional Airport covers 1,224 acres (495 ha) at an elevation of 3,877 feet (1,182 m). It has three asphalt runways: 9/27 is 9,000 by 150 feet (2,743 x 46 m); 5/23 is 4,644 by 75 feet (1,415 x 23 m); 16/34 is 2,989 by 75 feet (911 x 23 m).〔 In 2011 the airport had 43,203 aircraft operations, average 118 per day: 68% general aviation, 14% military, 14% air taxi, and 4% airline. 267 aircraft were then based at the airport: 74% single-engine, 14% multi-engine, 2% jet, 3% helicopter, 2% ultralight, and 5% military.〔 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「Helena Regional Airport」の詳細全文を読む スポンサード リンク
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