… You can’t sail an airship with just wind. Sail power needs a keel.

yeah I was going to work out the details later. I just like sails, ok? :) Maybe a big ‘sea’ anchor. Could make for some great haphazard destruction, too.

also, some interesting ideas are noted here, which I just googled up:

http://www.halfbakery.com/idea/Sailing_20Zeppelin

I have to say, a sailing airship just sounds neat to me. I care not for impracticality! Hehe