Air Force Targets Valve to Fix F-22 Jet’s Oxygen Problems
This article is for subscribers only.
The U.S. Air Force has “high confidence” that it has solved a yearlong mystery over why at least a dozen pilots flying the F-22 Raptor jet fighter became dizzy and disoriented.
Major General Charles Lyon, director of operations for the Air Combat Command who led a task force to solve the problem, said yesterday a valve that regulates oxygen flow into a Raptor pilot’s pressure vest was too weak to prevent the vest from inflating unnecessarily and restricting a pilot’s ability to breathe.