"I'd guess ABX owns none of theirs, either. What better way to manipulate cash flow accounting"

Not on paper but according to the PBGC the 33-34ish 767's belong to ABX....transferring assets to a leasing/holding company for tax purposes is not that unusual....look at the registration on the 9 DHL owned 767's (5 Pratt flown by ATLAS, 4 GE flown by ABX) currently in the US domestic system...they all are registered to Wells Fargo Leasing...all smoke and mirror's....ATSG owns ABX, CAM and the aircraft