| Length: 4.50m (14ft 9ins) |
| Width: 1.72m (5ft 8ins) |
| Weight: |
| Country: United Kingdom |
| Keel Type: |
| Rig Type: Gunter Una |
| Crew: 2 |
| Trapeze: none |
| Sail Area: 10.2 sq. m |
| Spinnaker Type: No spinnaker |
| Spinnaker Area: sq.m |
| Designer(s): Jack Holt |
| Design Year: 1961 |
| Builder: |
| Boats Built: |
Sponsored by Yachting World magazine, Explorer had a fibreglass hull and wooden decks, and a gunter rig with a gaff sliding in a track up the mast giving an almost bermuda rig with easy reefing.
| No class association known |