Evening chaps
it is yet another septic tank
That's a shame - my initial thought was an Engineering Division design, but having taken a look it doesn't match any of those. Tried "underslung" wing in Aerofiles search and that's not revealed anything, so was looking through European designs. Back to the drawing board with the US!
Merc into traction control winter mode
Sorry mate, but you can't beat the 4WD of the Subaru - brilliant on ice or snow. Traction control....why would you need that?