as nige states the full BoI needs to be seen but it would be interesting to know whether it was fuel or vapours( ullage) that contributed as clearly the piercing of the fuel tank seems instrumental in the outcome, as i read it. apologies for being an utter pleb if wrong. airsound's point of view about the inclusion and placement of the esf statement does encourage a raised eyebrow at the very least at the eagerness to state their beliefs. i am very sceptical of ever saying the word findings as i'm afraid my confidence in the system is more than a little dented at the mo given the issues arisen from XV179.