Optimist Books held by the Registrar
Sail Numbers of books held by the registrar - updated 21/1/2025
| Sail Numbers | World Sailing (ISAF) Numbers |
| 147846 | |
| 147784 | |
| 142791 | |
| 139953 | |
| 125921 | |
| 96025 | |
| 205 | 111977 |
| 210 | 111405 |
| 231 | 111244 |
| 233 | 118241 |
| 271 | 110008 |
| 308 | 124005 |
| 316 | 125564 |
| 381 | 131157 |
| 398 | 131572 |
| 413 | 131150 |
| 426 | 131108 |
| 437 | 129202 |
| 440 | 125983 |
| 451 | 134177 |
| 453 | 134440 |
| 458 | 134468 |
| 460 | 134436 |
| 461 | 134672 |
| 462 | 134667 |
| 463 | 135985 |
| 464 | 135999 |
| 465 | 134179 |
| 466 | 134188 |
| 467 | 134200 |
| 468 | 134480 |
| 469 | 135983 |
| 470 | 134483 |
| 471 | 134493 |
| 472 | 134496 |
| 473 | 134503 |
| 474 | 134504 |
| 475 | 134508 |
| 476 | 134512 |
| 477 | 134660 |
| 478 | 134666 |
| 479 | 135984 |
| 483 | 134668 |
| 492 | 134663 |
| 512 | 135986 |
| 515 | 134039 |
| 519 | 134669 |
| 522 | 134499 |
| 523 | 135988 |
| 525 | 134509 |
| 530 | 135997 |
| 536 | 136000 |
| 538 | 136001 |
| 569 | 138173 |
| 573 | 139952 |
| 574 | 140413 |
| 575 | 139165 |
| 576 | 136027 |
| 577 | 138192 |
| 585 | 138184 |
| 586 | 137325 |
| 592 | 138163 |
| 606 | 138572 |
| 609 | 138182 |
| 638 | 140850 |
| 646 | 133651 |
| 654 | 140383 |
| 676 | 141832 |
| 692 | 141822 |
| 696 | 141539 |
| 699 | 140846 |
| 703 | 126104 |
| 706 | 142298 |
| 710 | 141513 |
| 719 | 133682 |
| 724 | 142291 |
| 726 | 142290 |
| 731 | 140376 |
| 738 | 141006 |
| 741 | 141854 |
| 753 | 141546 |
| 778 | 143566 |
| 781 | 143555 |
| 804 | 142276 |
| 832 | 144664 |
| 843 | 143870 |
| 845 | 143888 |
| 846 | 142073 |
| 850 | 143903 |
| 851 | 143866 |
| 853 | 143872 |
| 879 | 146100 |
| 886 | 146059 |
| 889 | 145267 |
| 894 | 139945 |
| 901 | 146095 |
| 902 | 146101 |
| 903 | 145268 |
| 904 | 146102 |
| 905 | 146063 |
| 906 | 146073 |
| 937 | 146076 |
| 939 | 145240 |
| 940 | 146083 |
| 944 | 146681 |
| 945 | 146666 |
| 964 | 139973 |
| 970 | 147766 |
| 971 | 147765 |
| 977 | 147789 |
| 1004 | 147801 |
| 1006 | 146610 |
| 1007 | 147840 |
| 1008 | 147847 |
| 1009 | 147806 |
| 1022 | 147803 |
| 1023 | 145685 |
| 1024 | 148710 |
| 1099 | 147760 |
| 1101 | 148961 |
| 1112 | 149855 |
| 1519 | 154770 |
| 1593 | 158059 |
| 1598 | 158054 |
| 1692 | 151629 |