Johannes "Jopie" Helsen
| Name | Designer | Year Built ▲ | Length | |
|---|---|---|---|---|
| Johannes "Jopie" Helsen | 1977 | 21.0 ft | ||
| Johannes "Jopie" Helsen | n/a | 23.0 ft | ||
| Johannes "Jopie" Helsen | n/a | 20.0 ft | ||
| Johannes "Jopie" Helsen | n/a | 19.0 ft | ||
| Johannes "Jopie" Helsen | n/a | 22.0 ft | ||
| Johannes "Jopie" Helsen | n/a | 23.0 ft |
