1917: built in Germany by the Schloßwerft Reinhold F. Holtz, Harburg (close to Hamburg) as the steam trawler ADMIRAL SCHEER, launched 7.1917.
Measured 238 grt / 92 nrt / 400 ts displacement, powered by a 3-cyl. III-exp. steam engine with 480 H.P., service speed 7½ kn, maximum speed 9 kn.
Still 1917: taken over by the German Imperial Navy, fitted out as a patrol vessel, and commissioned into the II. escort flotilla, North Sea.
After 11.11.1918: following the end of World War I acquired by Hochseefisherei "Niedersachsen" A.G., Bremerhaven (Lower Saxony Deep Sea fishing) for fishing purposes.
1934: sold to Finland, to Loviisan Kalastus O/Y, Lovisa, renamed SYVÄRI, numbered Suomi-14.
1937: resold to Suomen Kalastus O/Y, Hanko, but operated in the Barents Sea out of Petsamo.
1.12.1939: SYVÄRI was at Liinahamari when the Soviet-Finnish War (Talvisota) broke out, the small Finnish force was ordered to retreat when superior Soviet forces (the entire 104th division) advanced. The Finns scuttled and burnt all vessels in port of Liinahamari, including SYVÄRI and the passenger ship JÄÄMERI (299 grt / 1933).
9.12.1939: wreck raised by Soviet Northern Fleet salvage party and towed to Polyarnoye by the auxiliary minesweeper T-897 (1050 ts / 1932).
Since 9.3.1940: repaired at Murmansk, repairs completed by 19.7.1940, further used as a patrol vessel.
1.6.1941: renamed MIP-1, allocated to the Northern Fleet Mine/Torpedo trial service. Armed with one 7.62-mm M.G., crew of 20.
22.6.1941: after the German attack on the Soviet Union until 1945 used as a patrol/escort vessel along the coast of the Kola peninsula with strenghtened armament.
15.5.1948: whilst returning from a mine exercise, the trial vessel MIP-1 ran onto a reef close to the island Malyi Zubovskyy, shortly later slipped off and sank in deeper water.
31.7.1948: salvage operations abandoned, vessel written off.

Photograph by Pietinen, book: Suomi Kuvina, Porvoo and Helsinki 1943.
Text: Sebastian Boreck, Berlin