There's been a couple of previous threads on the Coast Guard that may help you. Try starting here:
http://www.airlinepilotforums.com/mi...ast-guard.html

or here:
http://www.airlinepilotforums.com/mi...-aircraft.html

or here:
http://www.airlinepilotforums.com/mi...uard-info.html

If that doesn't tell you what you need, try the search function at the top of the screen. It's magic.

Good luck