please find by this link
the new FAI Sporting Code Section 4 - 2011 Edition, now including
(see F7 Aerostats)
CLASS F7B - AIRSHIP
HA! With all restrictions and limitations, and clear awareness of work still to
be done, I must say: this is quite an achivement. I want so send my heartly
thanks to all who contributed to this work, in particular Marcel Prevotat, who
actually did the lions share!
All the best,
PS.: fame and fortune!