The Lagunen Flotilla was based at Triest and operated in the shallow waters around Triest. Its vessels also operated on the River Piave, supporting army offensives.
PM 1 see under Donau patrol boats
PM 2 see under Donau patrol boats
Kanonenboot I a) ex-Trieste (Istria-Trieste) 1909 09 Mar 1916
b) ex-San Marco Di Rosandra
(Muggia) ? 07 Mar 1916
Transport vessel. Renumbered to Kanonenboot I
in Mar 1918.
b) requisitioned Kvarner (qv).
c) requisitioned Frankopan (qv).
Kanonenboot III a) ex-San Giusto (Nuova Società Cittadina di Navigazione a Vapore) 1898 1916
b) ex-Kanonenboot I (qv). Damaged by Italian seaplanes 14 Mar 1918 east of Grado and decommissioned at Triest.
Gisella 1914 1916
Served with Army on Donau until end 1916; taken over by Navy and transferred
to Lagunen flotilla.
Complement 8 Displacement 14t
Lina 12 Jun 1918 Hired from the Maritime Authority Triest. Later Motorboot I.
Linz 1915
Served with Army on Donau until 1915; taken over by Navy and transferred
to Lagunen flotilla.
14 Mar 1918 attacked by British aircraft.
Complement 8 Displacement 27t
Monfalcone End 1917 Transferred to submarine search flotilla Jun 1918. (See also under Requisitioned Steamships)
Nibbio 25 Nov 1917 Transferred to Zelenika 1918. (See also under Requisitioned Steamships)
Risano Oct 1917 1918 transferred for use as escort vessel at Fiume. (See also under Requisitioned Steamships) 87t net
Ritter von Bilinski 1889
Nov 1917. 1918 based at Fiume as escort vessel. (See also under Requisitioned
Steamships)
Displacement 171 t
Stefania (Ungaro-Croata) 22 Jun 1918
Theodor (Triest Excise Directorate) 1918 Steam launch. Transferred from use at Pola. (See also under Requisitioned Steamships)
Valona (Ungaro-Croata) 1911 06 Nov
1917. In 1918 transferred to Sebenico.
Beached and lost near Sebenico on 14 Oct 1918. (See also under Requisitioned
Steamships)
Displacement 209t net
Vesela (B Paric) ? Jun 1918
Zoe Cosulich (Cosulich) 1917
(See also under Requisitioned Steamships)
See also under Requisitioned Tugs and Tenders and under Requisitioned Motor Boats.