Crystals CrystalsThe crystals used in the controlers of the mini-yachts are noted as follows:
| Contestor | Crystal band | Crystal Code |
| Canada | 40.120 mhz | ? |
| Finland | 40.875 mhz | ? |
| Great Brittain team 1 | 40.885 mhz | 87 |
| Great Brittain team 2 | 40.775 mhz | 86 |
| team .. Flash Gordon | 27.195 mhz | ? |
| The Netherlands 1 | 27.255 mhz | 6 (blue) |
| The Netherlands 2 | 35.100 mhz | 70 |
New contestors must take notice of this overview, in order to avoid matching crystals.
