Or 27 times more likely to be fatal than ground travel, depending upon which statistic are compared. http://www.slate.com/id/2296195/
Compare TIME spent in travel: helicopters are 85 times more likely to be fatal. Compare MILES traveled: helicopters are 27 times more likely to be fatal.
But there's no doubt that the most dangerous helicopter flight is that of the Emergency Medical Helicopter Service (EMS) with the highest crash rate of the aviation industry: http://www.alea.org/public/airbeat/back_issues/mar_apr_2006/2006_EMS_Accident_Study.pdf
Click images below for Medevac fatality info:
20 14 : 33 killed (so far) in 22 FATAL US helicopter crashes 4 of those died in 3 MEDICAL Helicopter crashes
Oct 4, 2014 - Loma, CO., crash into Colorado River - 2 dead: http://www.texomashomepage.com/Story/d/story/update-1-dead-3-seriously-injured-in-overnight-hel/42913/jFwLDcIwI0evCsL_0-VzUQ
Oct. 1, 2014 - Rostraver, PA., - 1 dead: http://www.wtae.com/news/one-dead-in-rostraver-helicopter-crash/28370714
Sept. 28, 2014 - Sumner County, TN - fiery crash - 1 dead: http://www.tennessean.com/story/news/2014/09/28/small-aircraft-crash-reported-sumner-county/16394639/
Sept. 21, 2014 - Dearborn, Montana - 1 dead: http://www.therepublic.com/view/story/5cf7c04cae27499090abb5e937f14af1/US--Helicopter-Crash
Sept. 6, 2014 - Macedoania, NEB. hits power lines - 1 dead: http://www.crestonnewsadvertiser.com/2014/09/12/creston-man-dies-from-helicopter-crash-injuries/ag2kyv9/
Aug 19, 2014 - Tuscaloosa, AL - crash in woods - 2 dead: http://www.wtva.com/news/local/story/Helicopter-crash-in-Tuscaloosa-kills-2/lbKwfX_Mp0-gFxMAnfnXHQ.cspx
Aug 12, 2014 - Piatt County, Illinois - crop dusting crash - 1 dead: http://www.news-gazette.com/news/local/2014-08-13/updated-pilot-killed-helicopter-crash-idd.html
Aug 10, 2014 - Jeanerette, LA. - 1 dead: http://www.kplctv.com/story/26244502/longtime-pilot-dies-in-iberia-parish-helicopter-crash
July 23, 2014 - Wenatchee, WA - crash in sherry orchard - 1 dead: http://www.capitalpress.com/Washington/20140729/fourth-cherry-chopper-crash-in-four-years#.U9khXECTEV8
July 17, 2014 - Newkirk, NM - Medical Helicopter crash - 3 dead: http://www.therepublic.com/view/story/5cf7c04cae27499090abb5e937f14af1/US--Helicopter-Crash
June 11, 2014 - Terrebonne, LA - helicopter crashes on route to oil rig - 2 dead: http://www.klfy.com/story/25774807/helicopter-crash-update
May 23, 2014 - Santa Paula, CA - helicopter hits power lines, 1 killed: http://www.latimes.com/local/lanow/la-me-ln-1-dead-santa-paula-helicopter-crash-20140523-story.html
May 18, 2014 - Grand Canyon West Airport, AZ. - pilot dies - 1 killed: http://www.reviewjournal.com/news/fire-rescue/pilot-killed-helicopter-crash-sunday-grand-canyon
May 3, 2014 - Fort Bliss, TX - Helicopter crash - 3 injured, 1 dead: http://www.newsobserver.com/2014/05/05/3837900/army-identifies-trooper-killed.html
April 13, 2014 - Reno, NV - Crash kills pilot at airport - 1 dead: http://www.kolotv.com/home/headlines/Helicopter-Crash-Leaves-One-Dead-At-Reno-Stead-Airport-255090661.html
April 9, 2014 - Albuquerque, NM. - Medical Helicopter crashes onto Hospital Roof, 1 injured: http://krqe.com/2014/04/25/unm-hospital-releases-video-of-helicopter-crash/