Built in 1964 according to the International Third Rule- America’s Cup.
HISTORY:
SPECS:
| Sail Number | US-20 |
| International Rule | THIRD Rule-AC |
| Year Built | 1964 |
| Designer | Olin J. Stephens |
| Builder | Minneford Yacht Yard Inc. |
| Hull ID Number | design #: 1733 |
| First Owner | The Constellation Syndicate |
| First Name | Constellation |
| First Sail Number | US-20 |
| First Country | USA |
| Original Homeport | Oyster Bay, NY |
| Other Sail Numbers | UK-20 |
| Current Status / Condition | sunk |
| Construction | Double-planked Mahogany, White Oak frames |
| Length Overall | 20.83 m. |
| Length Waterline | 14.02 m. |
| Beam | 3.66 m. |
| Draft | 2.66 m. |
| Sail Area | 170 sq. m. |
| Displacement | 27.2 t. |