Aside from the standard safety equipment and registration requirements you may want to also be aware of these rules:
http://www.gencourt.state.nh.us/rsa/...0/270-25-a.htm
http://www.gencourt.state.nh.us/rsa/...270/270-37.htm
Any air boats I have encountered are usually the result of being heard first which rouses the curiosity factor. I home in on the sound and eventually get to check out the excitement.
Like that heater idea. Think we should get that in some of our boats for us hardcores that stay out late in the season-may be good at ice-out time too!