Statistics show that smaller aircraft, including private planes and air taxis (a category that includes helicopters), are more accident-prone than larger commercial flights. According to the NTSB, in 2015, there were zero fatal plane accidents involving commercial airlines in the United States. Of the 415 aviation fatalities in the U.S. that year, 100 percent involved general aviation aircraft, air taxis, commuter planes and foreign or unregistered planes.


https://www.slackdavis.com/blog/are-helicopters-safer-than-airplanes/


항공기보다도 많다고 함

주된 이유는 항공기 조종사들보다 교육훈련이 충분치 않고, 이착륙(실제 항공사고의 다수는 이착륙시에 발생함)을 많이 해서라고