Graham Johnston
Yacht designer
Models
1
Years active
1966
Length overall
5.5–5.5 m
(18–18 ft)
Hull types
0 mono
1 multihull
Models
| Model | Years | LOA | Hull | Builder |
|---|---|---|---|---|
| AUSTRALIS CATAMARAN | 1966 | 5.49 m | Multihull | – |
Last updated 30 December 2025