Edoardo Cignoli : Biggest Air-Crash Danger? Mountains

Flying into mountains or hills has reemerged as the deadliest threat to commercial aviation in 2013, despite record-low airliner crash rates world-wide.



via WSJ.com: US Business http://online.wsj.com/article/SB10001424052702304073204579167401955220442.html?mod=pls_whats_news_us_business_f