The U.S. Air Force has released a few additional details about its safety investigation into aircraft oxygen systems.
In May, the service's Air Combat Command had said that a safety investigation board, led by Maj. Gen. Steven Hoog, had been looking into the oxygen systems on a number of Air Force aircraft since January.
Now a July 21 press release says Air Force Secretary Michael Donley has ordered the service's Scientific Advisory Board to conduct a "quick-look study, gather and evaluate information, and recommend any needed corrective actions on aircraft using on-board oxygen generation systems."
The release said the Scientific Advisory Board started its study in May, but not whether it supersedes, replaces or merely accompanies the Hoog investigation.
The release indicates that the service is now looking at more types of aircraft. Previously, Air Force officials had said the investigation concerned the On-Board Oxygen Generation Systems (OBOGS) on the F-16, F-15E, A-10, F-35 and T-6 aircraft.
The release adds the B-1 Lancer, B-2 Spirit, CV-22 Osprey and "other aircraft as appropriate."
The Scientific Advisory Board study is being led by retired Air Force Gen. Gregory Martin, who commanded Air Force Materiel Command and U.S. Air Forces in Europe.
"The team will expand on previous safety and accident investigations and may include other agencies or industry partners," the Air Force release said.
According to the release, the investigation will conduct a "series of carefully controlled in-flight tests, the team will examine the subsystems identified in reported incidents. These include the pressurization system, mask and cockpit oxygen levels."
The Air Force, which grounded its F-22s in May, has not grounded any other types in connection with the investigation into oxygen systems.
Earlier July 21, the Air Force had said it had no additional information when asked whether carbon monoxide leaking into the cockpit was the most likely culprit behind the F-22 grounding.
In May, the service's Air Combat Command had said that a safety investigation board, led by Maj. Gen. Steven Hoog, had been looking into the oxygen systems on a number of Air Force aircraft since January.
Now a July 21 press release says Air Force Secretary Michael Donley has ordered the service's Scientific Advisory Board to conduct a "quick-look study, gather and evaluate information, and recommend any needed corrective actions on aircraft using on-board oxygen generation systems."
The release said the Scientific Advisory Board started its study in May, but not whether it supersedes, replaces or merely accompanies the Hoog investigation.
The release indicates that the service is now looking at more types of aircraft. Previously, Air Force officials had said the investigation concerned the On-Board Oxygen Generation Systems (OBOGS) on the F-16, F-15E, A-10, F-35 and T-6 aircraft.
The release adds the B-1 Lancer, B-2 Spirit, CV-22 Osprey and "other aircraft as appropriate."
The Scientific Advisory Board study is being led by retired Air Force Gen. Gregory Martin, who commanded Air Force Materiel Command and U.S. Air Forces in Europe.
"The team will expand on previous safety and accident investigations and may include other agencies or industry partners," the Air Force release said.
According to the release, the investigation will conduct a "series of carefully controlled in-flight tests, the team will examine the subsystems identified in reported incidents. These include the pressurization system, mask and cockpit oxygen levels."
The Air Force, which grounded its F-22s in May, has not grounded any other types in connection with the investigation into oxygen systems.
Earlier July 21, the Air Force had said it had no additional information when asked whether carbon monoxide leaking into the cockpit was the most likely culprit behind the F-22 grounding.
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