Around here, you would have to probably be a member of a fire department, EMS or law enforcement to be called in the event of any incident. The liability of having "untrained" personnel or the like would be brutal. Lawyers would have a field day. I haven't heard of an civil force or the like, although it is a good idea I think to have a call list in the case of a natural disaster.
In the past, I have commandeered a sled before to get to a scene of an sled accident. The owner was very generous and did not hesitate. My buddy had the DNR borrow his piped F7 to catch some jackasses on a lake once too.
I would call your local Emergency Manager, he may know of some kind of class.