Frantisek Venclovsky swim on 30 July 1971
| Swimmer | |
| Name | Venclovsky, Frantisek |
| Gender | M |
| Nationality | Czechoslovakia |
| Country | Czechoslovakia |
| Swim | |
| Date | 30 Jul 1971 |
| No of Ways, Leg, Direction | 1-way, 1st, F-E |
| Swim Time, Departure, Arrival | 15:26:00, , |
| Ratifying Organisation | CSA |
| Swim Crew and Support | |
| Pilot, Boat | Val Noakes, Viking Warrior |
| Observer | P. Frayne |
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