Firstly I've never heard of Eurospan, nor any idea who they are or what they do.
This particular conference proceedings will go onto the RAeS' website sometime after the conference is over. They will comprise of formal papers based upon the presentations of each speaker - as a rule about 2/3 of speakers at these particular conferences do so.
Any questions, informal discussions and so-on won't make it into the proceedings, it's extremely rare that they do for any conference.
G
N.B. Lesley Maynard, MD of Old Sarum flying club has just kindly agreed to present a paper for the 1210 empty slot.