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admin
See my 107 Photos  
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2007-11-30 GMT-5 hours 
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The directive follows Nov. 27 findings stemming from the investigation of an F-15C mishap that resulted in the loss of that aircraft on Nov. 2. Based on those new findings, all F-15 A through D models will undergo a stand down that will require additional inspections and possible repair actions. Gen. John D.W. Corley, ACC commander, also recommended the stand-down of all other similar model aircraft in other Air Force major commands, including those under the operational control of U.S. combatant commanders. The new findings from the Accident Investigation Board indicate possible fleet-wide airworthiness problems with F-15A/B/C and D aircraft. These findings, based on a metallurgical analysis of the mishap aircraft, have drawn attention to the F-15's upper longerons near the canopy of the aircraft that appear to have cracked and failed. The longerons are major structural components that run along the length and side of the aircraft.
Although the longeron area was covered in general by previous inspections as a result of the Nov. 2 mishap, technical experts with the Warner Robins Air Logistics Center in Georgia, are recommending a specific inspection technique for the suspect area based on the yesterday's findings. Manufacturer simulations have indicated a catastrophic failure could result in this particular area. In addition, cracks were discovered along the same longeron area during two recent inspections of F-15C aircraft. These aircraft were immediately grounded based upon the inspection findings and are awaiting further engineering instructions. Based on this most recent data, ACC believes it is necessary to stand-down the F-15 A through D aircraft until such time each aircraft can receive a more detailed and tailored inspection of the upper longerons in the focus area. Air Combat Command continues to work with the Air National Guard, the Air Force Reserve and sister major commands in Europe and the Pacific, as well as joint and coalition partners, to ensure mission coverage. The stand-down does not affect the F-15E. The duration of the stand-down is pending the completion of required inspections and any necessary repair actions.
Source: http://www.af.mil/news/story.asp?storyID=123077347 -Ray |
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admin
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2007-12-06 GMT-5 hours
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Officials stand down F-15 A-D models until further notice
12/5/2007 - LANGLEY AIR FORCE BASE, Va. (AFPN) -- The commander of Air Combat Command directed the stand-down Dec. 3 of all ACC F-15 A through D model aircraft until further notice. The decision follows additional information received from the ongoing investigation of the Nov. 2 F-15C mishap that resulted in the loss of that aircraft. Gen. John D.W. Corley, ACC commander, also recommended the grounding of all other A through D model aircraft in other Air Force major commands, including those under the operational control of U.S. combatant commanders. Monday's findings from the accident investigation board indicate that a recently discovered defect may be more extensive and found in more aircraft than initially thought. These findings, based on a metallurgical analysis of the mishap aircraft, continue to focus on the F-15's upper longerons near the canopy of the aircraft. Additional cracks have been discovered in these longerons. The longerons are major structural components that run along the length and side of the aircraft. Technical experts with the Warner Robins Air Logistics Center at Robins Air Force Base, Ga., are developing a specific inspection technique for the suspect area based on the recent findings. However, unlike previous inspections, the inspected aircraft will not be immediately returned to flight. The duration of the stand-down is pending. Aircraft will not be returned to operational status until the F-15 A-D model findings and data have been analyzed, required inspections have been accomplished and the necessary repair or mitigation actions have been completed. Computer simulations have indicated a catastrophic structural failure could result from cracks in the longerons. To date, longeron cracks have been discovered in an additional four aircraft. These aircraft are awaiting further engineering instructions before they are returned to operational status. Air Combat Command officials continue to work with those in the Air National Guard, the Air Force Reserve and sister major commands in Europe and the Pacific, as well as with joint and coalition partners, to ensure mission coverage. The stand-down does not affect the F-15E Strike Eagle. Source: http://www.af.mil/news/story.asp?storyID=123078309 -Ray |
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N74JW
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2007-12-08 GMT-5 hours 
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Who's minding the store?
Will the F-15's air defense duties be passed on to other non-F-15 units, or will the F-15s be allowed to fly in an emergency? |
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admin
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2007-12-08 GMT-5 hours
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I think some F-16s are taking over the role of the F-15s where possible. Obviously this will result in a shortage on both sides as the F-16s are needed elsewhere.
-Ray |
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