Federal air safety officials have concluded that air bags have helped prevent serious injuries or fatalities in some private plane accidents but stopped short of calling for a federal mandate to install the devices.
Instead, the National Transportation Safety Board Tuesday simply urged manufacturers of small planes to make air bags standard equipment in new aircraft. The NTSB also recommended, The Washington Post reports, that the Federal Aviation Administration order owners of older aircraft to retrofit small planes with shoulder-lap seatbelts.
Retrofitting small planes with shoulder-lap seatbelts would be cheaper, at an estimated cost of about $150 to $300 a seat, than adding air bags. By comparison, retrofitting an older plane with two front air bags costs about $2,000.
“The simplest and cheapest improvement to the safety of general aviation aircraft occupants is the mandatory installation of shoulder harnesses,” Deborah A.P. Hersman, chairwoman of the NTSB, said in a news release.
NTSB recommendations are non-binding, leaving the actual safety decisions to the Federal Aviation Administration.
More than 30 manufacturers already offer air bags as standard or optional equipment, and about 7,000 of the 224,000 general aviation aircraft in the U.S. are equipped with them.
An NTSB study, which examined accidents involving air bag-equipped airplanes that occurred between 2006 and 2009, highlighted several incidents in which air bags reduced serious injuries or were critical to the survival of pilots or passengers. And it found no instances where the air bags harmed properly restrained occupants.
Still, NTSB investigators said that given the relatively low number of private planes with air bags that have been involved in accidents, there isn’t enough data to determine whether they should be required on all small planes. In contrast, the agency said a broader examination of 37,000 accidents involving single-engine planes found that shoulder-lap seatbelts cut in half the risk of fatalities and serious injuries.
About 500 people are killed annually in general aviation accidents.


