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News > Seatbelt ineffective when seat is reclined
Seatbelt ineffective when seat is reclined

Posted 5/23/2008   Updated 5/23/2008 Email story   Print story

    


by 507th Air Refueling Wing Safety Office

5/23/2008 - TINKER AFB, Oklahoma -- Recently the Air Force lost another valued member while riding as a passenger in a government motor vehicle on duty. 

What was significant about this fatality was that the member was wearing his seatbelt! 

Unfortunately, he had the seat reclined four inches--rendering the effectiveness of the seatbelt negligible. The National Transportation Safety Board (NTSB) conducted a study in 1988 that confirmed the danger of reclined seats. Results showed that three-point restraints offer good protection only if worn properly.  An occupant who wears a seat belt while reclined is not "centered" in the belt, rendering it ineffective for spreading crash forces over the body. 

The NTSB stated that the protection offered by any type of seatbelt is compromised when the seat is reclined, presenting a "potentially dangerous combination in a moving vehicle." The study also noted that although some vehicle owner's manuals warn of the dangers of reclined seat backs in moving vehicles, the warnings do not state specifically what degree of recline is dangerous. 

The NTSB reported that as little as one inch of slack in the shoulder harness increases the chance of injury. The greater the slack, the greater the likelihood of injury. All Air Force members operating or riding in any motor vehicle are reminded that seats should be in the upright position, and that their seatbelt should be securely fastened across their chest with no slack to ensure maximum effectiveness of their seatbelt. "We Care About You!"



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