<page_title> Una-class submarine </page_title> <section_title> Boats </section_title> <table> <cell> Tisa <col_header> Name </col_header> </cell> <cell> P-911 <col_header> Pennant number </col_header> </cell> <cell> Brodogradilište specijalnih objekata, Split, SR Croatia, SFR Yugoslavia <col_header> Builder </col_header> </cell> <cell> 1985 <col_header> Completed </col_header> </cell> <cell> Una <col_header> Name </col_header> </cell> <cell> P-912 <col_header> Pennant number </col_header> </cell> <cell> 1986 <col_header> Builder </col_header> </cell> <cell> Zeta <col_header> Name </col_header> </cell> <cell> P-913 <col_header> Pennant number </col_header> </cell> <cell> 1987 <col_header> Builder </col_header> </cell> <cell> Soča <col_header> Name </col_header> </cell> <cell> P-914 <col_header> Pennant number </col_header> </cell> <cell> 1987 <col_header> Builder </col_header> </cell> <cell> Kupa <col_header> Name </col_header> </cell> <cell> P-915 <col_header> Pennant number </col_header> </cell> <cell> 1989 <col_header> Builder </col_header> </cell> <cell> Vardar <col_header> Name </col_header> </cell> <cell> P-916 <col_header> Pennant number </col_header> </cell> <cell> 1989 <col_header> Builder </col_header> </cell> </table>
All six boats were completed from 1985 to 1989 at the Brodogradilište Specijalnih Objekata (BSO) in Split, SR Croatia and named after rivers in SFR Yugoslavia: Tisa (P-911), Una (P-912), Zeta (P-913), Soča (P-914), Kupa (P-915) and Vardar (P-916).