Originally Posted by Ranger
OK. But it's wearing purple paint so I assume that it belongs to FedEx. If it belongs to FedEx and is doing anything other than being converted to a freighter configuration, it impacts that freight hauling thing. Like I siad, they complain about lack of lift and have an airplane testing a system that may or may not be used or even work. But I guess that's why it's called "testing".
Only so many airplanes can be converted at any one time. It makes a lots of sense to use an airplane that would otherwise be in storage awaiting conversion.