EurILCA Senior European Championships & Open European Trophy 2021
Coach/support boats registration are now closed (see Notice of Race).
Coaches/Support boats registered
| Country | Name | Estimated supported sailors |
|---|---|---|
 Australia | Ryan PALK | 4 |
| Australia | Matt WEARN | 4 |
 Belarus | Sergey MOROZOV | 5 |
 Belgium | Charles BAILLIE STRONG | 2 |
| Belgium | Mark LITTLEJOHN | 1 |
 Bulgaria | Alexander SLAVCHEV | 1 |
| Bulgaria | Yana MARKOVA | 5 |
| Bulgaria | Kosta STERGIDOV | 1 |
 Canada | Wil VAN BLADEL | 4 |
| Canada | Paloma SCHMIDT GUTIERREZ | 3 |
 Croatia | Jozo JAKELIC | 6 |
| Croatia | Robert JURINčIć | 4 |
| Croatia | Dominik PERKOVIC | 2 |
| Croatia | Tonci ANTUNOVIC | 1 |
 Czech Republic | Stepan NOVOTNY | 3 |
 Denmark | Piotr WOJEWSKI | 3 |
 Finland | Sietse-jan SIETZEMA | 1 |
| Finland | Andreas GERITZER | 4 |
| Finland | Anton GARROTE | 2 |
 Germany | Thomas PIESKER | 1 |
| Germany | Franziska GOLTZ | 3 |
| Germany | Jonasz STELMASZYK | 1 |
| Germany | Alexander SCHLONSKI | 6 |
| Germany | Maurice PAARDERDENKOOPER | 1 |
 Great Britain | James GRAY | 6 |
| Great Britain | Christopher GOWERS | 4 |
 Greece | Panagiotis EFRAIMIDIS-SYNODINOS | 3 |
| Greece | Nikolaos PAPAGEORGIOU | 6 |
| Greece | Dimitrios THEODORAKIS | 3 |
| Greece | Evangelos CHIMONAS | 1 |
 Ireland | Vasilij ZBOGAR | 3 |
 Israel | Eshed MESERITZ | 3 |
 Italy | Egon VIGNA | 3 |
| Italy | Fabrizio LAZZERINI | 7 |
| Italy | Fabio EMILIANI | 6 |
| Italy | Antonio PETROLI | 2 |
| Italy | Giorgio POGGI | 2 |
 Lithuania | Linas EIDUKEVICIUS | 1 |
| Lithuania | Giedrius GUZYS | 3 |
 Malta | Alexandr DENISIUC | 6 |
 Montenegro | Ilko KLAKOR | 3 |
 Netherlands | Ben KOPPELAAR | 4 |
| Netherlands | Rodie VAN MACKELENBERGH | 8 |
| Netherlands | Steven LE FEVRE | 7 |
 Poland | Jared WEST | 2 |
 Portugal | Gonçalo BOTO | 2 |
| Portugal | Javier HERNANDEZ | 2 |
| Portugal | Rui REIS | 2 |
 Russia | Vadim MEKHANIKOV | 3 |
| Russia | Eduard SKORNYAKOV | 5 |
| Russia | Maria IVANOVA | 1 |
| Russia | Vladimir KRUTSKIKH | 2 |
 Slovenia | Klavdij PLETIKOS | 1 |
 Spain | Tamas ESZES | 6 |
 Switzerland | Damir NAKRST | 2 |
| Switzerland | Pim STUMPEL | 2 |
| Switzerland | Giorgio ELENA | 1 |
 Turkey | Mustafa ÇAKıR | 4 |
| Turkey | Kemal MUSLUBAS | 1 |
| Turkey | Ismail UZUNLAR | 4 |
| Turkey | Yasar KABAKCIOGLU | 2 |
 Cyprus | Harris TSOLIS | 1 |
| Cyprus | Polis SARINOPOULOS | 2 |
 Serbia | Nikola RNJAK | 1 |