It incorporates many changes required to conform to the certification standards .
The Seawind 300C is intended to be the certified production version and is derived from the kit - built Seawind 3000 .
Seawind 3000 incorporates many changes required to conform to the certification standards .
The Seawind 300C is intended to be the certified production version and is derived from the kit - built Seawind 3000 .