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On-Board Oxygen Generation System OBOGS

Air Force T-6s Return to Flight; OBOGS Monitoring Cited

Posted by Colin Clark on


CORRECTED: Removed Reference To AT-6, Which Is Not Derived From T-6  WASHINGTON: The basic training plane for Air Force pilots, the propeller-driven T-6 Texan, is returning to flight almost one month after being grounded after a series of unexplained physiological events (what we used to call suspected hypoxia incidents). As is the case with most such… Keep reading →

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JPO Fixing F-35 Oxygen, Carrier Landing, Software Glitches: VADM Winter

Posted by Sydney J. Freedberg Jr. on


CORRECTED number of hypoxia incidents ARLINGTON: As the F-35 prepares for a massive ramp-up in production, the program is fixing the costly, controversial plane’s last technical glitches, Vice Adm. Mat Winter said in his first press conference since becoming program director. Winter expressed confidence about three problems in particular: air supply for pilots, carrier landings, and… Keep reading →

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Navy T-45 Trainers Will Return To Flight In July With Air Supply Fix

Posted by Sydney J. Freedberg Jr. on


Navy flight training will resume in July when T-45 Goshawk trainers receive fixes to their troubled air supply, the three-star Commander, Naval Air Forces said this week. The aircraft had been flying only limited flights at low altitude for fear an oxygen-deprived pilot would become disoriented and crash. Now, instructors will start flying again in… Keep reading →

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ALIS Glitch Grounds Marine F-35Bs

Posted by Sydney J. Freedberg Jr. on


WASHINGTON: A glitchy software upgrade to the ALIS ground support system has grounded the Marine Corps F-35B squadron based in Yuma, Arizona, the F-35 Joint Program Office announced. Details are sparse, but a Marine Corps statement (reproduced in full below) said the unspecified “anomalies” only affected maintenance codes and only in the Yuma squadron, VMFA-211.… Keep reading →

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Hypoxia Worries ‘Top Issue’ For Boeing Defense CEO; Cobham Tech Unveiled

Posted by Colin Clark on


PARIS: Boeing Defense’s new CEO, Leanne Caret, told me this afternoon that investigating suspected hypoxia cases is “a top priority for Boeing,” and she is receiving weekly briefings on the issue. Pilots are supposed to be tough physical specimens who can handle 9 Gs and still think fast. But flying at altitude — often in… Keep reading →

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New Problems Hit T-45; Navy Tightens Flight Limits

Posted by Sydney J. Freedberg Jr. on


Days after the Navy’s T-45 Goshawk trainers returned to flight under strict safety restrictions because of problems with their air supply, the service felt compelled to make them even stricter. An aircrew’s report of “minor headaches” prompted the tighter limits, a Navy spokesperson told Breaking Defense. Only one flight out of 92 over 48 hours reported such… Keep reading →

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Oxygen Problems Afflicted 297 Navy & Marine Hornets

Posted by Sydney J. Freedberg Jr. on


CAPITOL HILL: It turns out Navy pilots like to breathe. That’s a potential problem in the Navy’s mainstay fighter, the F-18 Hornet, which is suffering failures of its On-Board Oxygen Generation System (OBOGS). While rare, a single case of in-flight oxygen deprivation could potentially kill the pilot, destroy a $30 million to $60 million aircraft, or… Keep reading →

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F-22 Will Fly Ops If Needed; Bio Research Next ‘Revolutionary’ Science: DepSecDef

Posted by Colin Clark on


WASHINGTON: The F-22 will fly in operations if it’s needed while the Air Force keeps a close eye on the oxygen problem, Deputy Defense Secretary Ash Carter said today. “The answer is, yes. The aircraft will be used operationally if need be,” Carter said in response to a question during a morning appearance at the… Keep reading →

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Air Force Clears F-22 To Fly Again; Imposes Extra Safety Measures

Posted by Colin Clark on


National Harbor: The Air Force has cleared the nation’s highest performance fighter, the F-22, for return to flight but the service, unable to pinpoint the reasons for at least one worrying incident of what clearly appeared to be hypoxia, has decided to increase medical monitoring of pilots. “We now have enough insight from recent studies… Keep reading →

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F-35 Almost Back in Air; F-22 Still Grounded

Posted by Colin Clark on


A screwed-up control valve caused the grounding of the F-35 fleet and the program office has cleared the plane for ground operations while it tests the errant valve. Meanwhile, the F-22 fleet remains grounded until early fall when the results of an investigation into possible problems with the plane’s oxygen system are completed. For more… Keep reading →

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