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The two minehunters of the Ohuè Class were
ordered from intermarine by the Nigerian Navy in
1983.
At that time intermarine was building the four Lerici
Class minehunters for the Italian Navy and the four
Mahamiru Class minehunters for the Royal Malaysian
Navy, however the Nigerian Navy requirement differed
from either of the above class vessels.
These requirements addressed a further variant,
completely different from the one dictated by previous
customers. |
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The hull concept and the
dimension were almost the same as the previous
intermarine minehunters, length 51m and displacement
540 t., while the propulsion and Combat system
were completely redesigned to match the specific
Nigerian Navy requests.
One sole propulsion system is installed, the ship
is propelled by two MTU diesel engines driving
two waterjets, giving the ship a speed in excess
of 16 knots.
The same system is used both for transit navigation
and for minehunting operations.
Electric power is generated by two diesel generators,
located above the water line to minimise the magnetic
signature and the underwater-irradiated noise.
The Combat System consists mainly of a Thomson
Command and Control system, of a Thomson Sintra
Hull Mounted Sonar (HMS) for mines discovery and
Classification, and of two Mine Disposal Vehicles
Pluto (built by Gaymarine).
The Communication system
is made by Aeromaritime and the armament consists
of one 30 mm. gun integrated with two 20 mm guns.
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| Ohuč
Class - Two (2) Ships |
Dimensions
(L x w) (m.) |
51
x 9,56 |
Guns
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1 x 30 mm
+ 2 x 20 mm |
Displacement
(t.)
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540 |
Sonar
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Hull Mounted type - Thomson
Sintra TSM 2022 |
Speed
(knots)
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16 |
| Radar |
Decca 1226 |
Crew
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50 |
| M.D.V.
s. |
n.2 x Pluto |
Engines
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n. 2 MTU
engines, type 396 TB83 (2x 1.045 kW) |
Precise
navigation
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Trident |
Propellers
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n.2 Termomeccanica Waterjet |
| Command
and Control |
Thomson TSM
2060 |
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