Helsen/Sovereign Design Group
Yacht designer
Models
1
Years active
1982–1996
Length overall
6.1–6.1 m
(20–20 ft)
Hull types
1 mono
Models
| Model | Years | LOA | Hull | Builder |
|---|---|---|---|---|
| SOVEREIGN 20 | 1982–1996 | 6.10 m | Monohull | Custom Fiberglass Products |
Builders of boats by Helsen/Sovereign Design Group
Last updated 30 December 2025