He never said we could get assistance from the other members of our party...

Control: Fawriel
Town pipe to the main areas, and see if uberbob is near
--if: Uberbob = nearby
----then: Join Uberbob
----Town Pipe: Upperspotplace.

Scratch that.

erm...if the plane is invisible, how can he see the controls, or the dials inside to make sure everything is working properly?