BASE Jumping Fatalities Between 2007 and 2017: Main Causes of Fatal Events and Recommendations for Safety.

BASE (buildings, antennae, span, earth) jumping involves jumping from fixed objects with a parachute. This practice is associated with fatal events. Despite considerable evolution in BASE jump practice over the past years, fatalities have increased. Identifying the main causes of fatal events and recommending processes to reduce fatalities is vital for safe BASE jumping practice. In an effort to capture worldwide cases between 2007 and 2017, we identified and classified on a Haddon matrix each fatal event from the BASE jumping fatality list. Although not devoid of limitations, this is the most comprehensive list of BASE jumping fatal events and the main source of information on BASE-related fatalities for BASE jump participants. The report noted 223 fatalities, 197 of them being cliff jumps. In addition, 137 fatal jumps were wingsuit jumps. Impact and object strike were the main cause of fatal event (96%). Human factors leading to fatality were mostly low pull/no pull (64%) and bad exits (15%). Equipment factors included off-heading openings, twists, and pilot chute entanglement. Environmental factors included strong wind, poor visibility, and water. BASE jump practice has undergone radical transformations in the last 10 y, especially linked to the mountain environment and the use of wingsuits. These factors were linked to most fatal events. Key recommendations are basic practical measures, such as ground preparation and equipment checks, and deep technical and personal knowledge that involves regular engagement and significant introspection.

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