Editing Mount Everest (section)

===2016: Helicopter business increases===
In 2016 the increased use of helicopters was noted for increased efficiency and for hauling material over the deadly Khumbu icefall.<ref name="blogs.dw.com">{{cite web |url=http://blogs.dw.com/adventuresports/2016/04/23/helicopter-transport-flights-to-everest-high-camps/ |title=Helicopter transport flights to Everest high camps – Mount Everest|publisher=Blogs.dw.com – Adventure Sports|date=25 April 2015 |access-date=17 June 2016 |url-status=dead |archive-url=https://web.archive.org/web/20160902225132/http://blogs.dw.com/adventuresports/2016/04/23/helicopter-transport-flights-to-everest-high-camps/ |archive-date=2 September 2016}}</ref> In particular it was noted that flights saved icefall porters 80 trips but still increased commercial activity at Everest.<ref name="blogs.dw.com"/> After many Nepalis died in the icefall in 2014, the government had wanted helicopters to handle more transportation to Camp 1 but this was not possible because of the 2015 earthquake closing the mountain, so this was then implemented in 2016 (helicopters did prove instrumental in rescuing many people in 2015 though).<ref name="blogs.dw.com"/> That summer Bell tested the [[Bell 412#Variants|412EPI]], which conducted a series of tests including hovering at {{convert|18,000|ft|m|order=flip|abbr=on}} and flying as high as {{convert|20,000|ft|m|order=flip|abbr=on}} altitude near Mount Everest.<ref>{{cite web|last=Bergqvist |first=Pia |url=http://www.flyingmag.com/bell-helicopter-tests-412epi-near-mount-everest |title=Bell Helicopter Tests 412EPI Near Mount Everest &#124; Flying Magazine |date=16 June 2016 |publisher=Flyingmag.com |access-date=17 June 2016}}</ref>