Im still lost, why is all this talk about taxiing, surely the tug is instead of the engines running.it may be controlled by the cpt, but surely the power is coming from the tug, if it wasnt, the tug wouldnt need to be such a monster. TBL are great....right up until they start to go wrong, or even silly stuf like condensation on sensors.
REF the MAN incident..why was it being towed with engines running, was it a push back/pull forward jobby