Recent data show that helicopter and fixed-wing commercial air tour operations in the US have high crash rates compared with similar commercial aviation operations, and crash rates increase with less regulated standards of operation. The findings raise concerns about the public health impact of less-regulated commercial air tour operations, such as paid hot-air balloon rides.
Fuente : http://www.eurekalert.org/pub_releases/2013-11/jhu...
Fuente : http://www.eurekalert.org/pub_releases/2013-11/jhu...