Ya están aquí las faqs en inglés....
Are Stegadon weapons considered war
machines for the purposes of stand and shoot
or using a character's BS?
A. It’s definitely best to treat it as a war
machine, so no stand and shoot, no using a
character’s BS, and so on.
The Stegadon’s great bow is Poisoned. Does
this mean that a roll of 6 to hit will penetrate
all ranks automatically?
A. No – only the first hit wounds automatically.
If that model is slain then roll To Wound the
next as normal.
Q. Are impact hits on a Stegadon really
randomised to the crew?
A. Yes, this is an exception to the normal rules.
http://www.games-workshop.com/MEDIA[....]g/m220263a_LizardmenFAQJuly2009.pdf