The ''Mornar'' class consisted of two large

patrol boat A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and the ...

s built for the

Yugoslav Navy The Yugoslav Navy ( sh-Cyrl-Latn, Југословенска ратна морнарица, Jugoslavenska ratna mornarica, Yugoslav War Navy), was the navy of Yugoslavia from 1945 to 1992. It was essentially a coastal defense force with the miss ...

( sh, Jugoslavenska ratna mornarica – JRM) by the Tito's Shipyard in Kraljevica during the late 1950s and early 1960s. The boats were based on the ''Udarnik'' (PBR-581), a French-built ''Le Fougueux''-class submarine chaser acquired in 1956. Both boats had an uneventful career and were deleted in 1992.

Description and construction

The ''Mornar'' class consisted of just two boats: ''Mornar'' (PBR-551) which was laid down in 1957, launched in 1958 and commissioned on 10 September 1959, followed by ''Borac'' (PBR-552) which was laid down in 1964 and launched and commissioned in 1965. The class was based on the ''Udarnik'' (PBR-581), a French-built submarine chaser of the ''Le Fougueux''-class, which was acquired by Yugoslavia in 1956. The boats measured in length with a beam and a draught of . Standard displacement measured while fully loaded they displaced . Propulsion consisted of four

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PA17V

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-ca ...

s powering two shafts for a total of power output of , enabling a speed of and range of at or at . Their original gun armament consisted of two

3"/50 caliber gun The 3"/50 caliber gun (spoken "three-inch fifty-caliber") in United States naval gun terminology indicates the gun fired a projectile in diameter, and the barrel was 50 calibers long (barrel length is 3 in × 50 = ). Different guns (identif ...

s, two single-barrelled guns and two single-barrelled guns. Anti-submarine weapons consisted of two Mark 6 depth charge (DC) throwers and two Mark 9 DC racks. Both boats were modernized during 1970/73 at the "Sava Kovačević" Naval Repair Yard in

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; their 76 mm guns were removed and four five-barrelled Soviet-built RBU-1200 were installed along with a Tamir-11

sonar Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging), communicate with or detect objects on o ...

Service history

The boats enjoyed a long, albeit uneventful, career in the Yugoslav Navy and both were deleted in 1992.

Notes

Footnotes

References

* * * * {{Yugoslav Ships Ships of the Yugoslav Navy Patrol boat classes