Posted on Apr 1, 2016
Air Force: Boeing Tanker Issue Could Delay Production Decision
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WASHINGTON — An issue that prevented Boeing’s KC-46 tanker from transferring fuel to a US Air Force C-17 during a recent test could delay the start of production of the new aircraft, according to the Air Force.
During a recent test of the tanker’s refueling boom, higher than expected axial loads prevented the transfer of fuel of a C-17 transport plane, service spokesman Daryl Mayer said April 1. The boom, a rigid, telescoping tube that an operator on the tanker extends to and inserts into a receptacle on the receiving aircraft, is used to refuel most Air Force aircraft.
Boeing has a “good understanding” of the problem and is working to identify a fix, Mayer said. However, the Air Force does not yet know the schedule impact to a planned “Milestone C” decision to formally approve production of the new tanker in May, he said.
“We don't yet know the schedule impact to the planned May Milestone C decision, but the problem is well understood and we don't expect an extended delay,” Mayer said.
The KC-46 successfully refueled an Air Force F-16, a much lighter aircraft than the C-17, in a previous test, Mayer noted. The tanker has also successfully transferred fuel to a Navy F/A-18 and Marine Corps Harrier, which use the aircraft’s hose-and-drogue system for refueling, he said.
Boeing spokesman William Barksdale declined to say how much the fix will cost, saying the company is "aggressively working the problem now."
"We expected to find items like this in development test and we are evaluating system changes to improve boom response," Barksdale said April 1. "Over the coming weeks, we will have a better understanding of program impacts, if any. We continue to make steady progress in flight test and aircraft production, and believe we are taking the right steps to fulfill our commitments to the Air Force."
The Air Force is planning to buy 179 KC-46 tankers to recapitalize its aging tanker fleet. Boeing’s KC-46 is unique in its ability to switch between the boom and hose-and-drogue during the same mission, allowing the Air Force to refuel more aircraft more quickly.
Boeing is on tap to deliver 18 full-up KC-46s by August 2017.
During a recent test of the tanker’s refueling boom, higher than expected axial loads prevented the transfer of fuel of a C-17 transport plane, service spokesman Daryl Mayer said April 1. The boom, a rigid, telescoping tube that an operator on the tanker extends to and inserts into a receptacle on the receiving aircraft, is used to refuel most Air Force aircraft.
Boeing has a “good understanding” of the problem and is working to identify a fix, Mayer said. However, the Air Force does not yet know the schedule impact to a planned “Milestone C” decision to formally approve production of the new tanker in May, he said.
“We don't yet know the schedule impact to the planned May Milestone C decision, but the problem is well understood and we don't expect an extended delay,” Mayer said.
The KC-46 successfully refueled an Air Force F-16, a much lighter aircraft than the C-17, in a previous test, Mayer noted. The tanker has also successfully transferred fuel to a Navy F/A-18 and Marine Corps Harrier, which use the aircraft’s hose-and-drogue system for refueling, he said.
Boeing spokesman William Barksdale declined to say how much the fix will cost, saying the company is "aggressively working the problem now."
"We expected to find items like this in development test and we are evaluating system changes to improve boom response," Barksdale said April 1. "Over the coming weeks, we will have a better understanding of program impacts, if any. We continue to make steady progress in flight test and aircraft production, and believe we are taking the right steps to fulfill our commitments to the Air Force."
The Air Force is planning to buy 179 KC-46 tankers to recapitalize its aging tanker fleet. Boeing’s KC-46 is unique in its ability to switch between the boom and hose-and-drogue during the same mission, allowing the Air Force to refuel more aircraft more quickly.
Boeing is on tap to deliver 18 full-up KC-46s by August 2017.
Air Force: Boeing Tanker Issue Could Delay Production Decision
Posted from airforcetimes.com
Posted >1 y ago
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Sounds like a small problem. Since Boeing already makes (made) the very successful KC-135 series that uses a similar boom system, I would think that a fix would be fairly easy for them.
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Hardy Buggers that have been the workhorses for a long time. I figure it is about time for a Replacement or a Serious Upgrade.
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It makes perfect sense for production to be delayed until all major operational problems have been worked through SFC Joe S. Davis Jr., MSM, DSL. I am glad that somebody has demonstrated maturity in delaying the production system for the C-17 until the areal refueling issue is resolved since a strategic transportation aircraft would be useful if it was not capable of aerial refueling.
It would make most sense if the receptacle which accepts areal refueling is standardized so that the new aircraft uses a receptacle which dos not require retrofits in other aircraft or the refueling telescoping tube.
It would make most sense if the receptacle which accepts areal refueling is standardized so that the new aircraft uses a receptacle which dos not require retrofits in other aircraft or the refueling telescoping tube.
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