米国：一般の航空機とdrone（無人航空機）との衝突事故の危険性が増大？

下記の記事が出ている。

　Irresponsible drone use is on the rise, says FAA
　Verge: August 13, 2015
　http://www.theverge.com/2015/8/13/9151395/drone-airplane-danger-faa-statement

　FAA warns the number of 'near misses' between drones and pilots surging
　Washington Examiner: August 15, 2015
　http://www.washingtonexaminer.com/faa-warns-the-number-of-near-misses-between-drones-and-pilots-surging/article/2570253

[追記：2015年8月24日]

関連記事を追加する。

　FAA records detail hundreds of close calls between airplanes and drones
　Washington Post: August 20, 2015
　https://www.washingtonpost.com/world/national-security/faa-records-detail-hundreds-of-close-calls-between-airplanes-and-drones/2015/08/20/5ef812ae-4737-11e5-846d-02792f854297_story.html

　'US Government, Police Working on Counter-Drone System'
　NDTV: 20 August, 2015
　http://gadgets.ndtv.com/others/news/us-government-police-working-on-counter-drone-system-730066

[追記：2015年12月11日]

関連記事を追加する。

　Risk to Aircraft From Drones Being Debated
　New York Times: December 10, 2015
　http://www.nytimes.com/2015/12/11/business/risk-to-aircraft-from-drones-being-debated.html