OFFSHORE PATROL VESSEL - CORVETTE OPV-C BIS91
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OFFSHORE PATROL VESSEL - CORVETTE OPV-C BIS91

BASIC SPECIFICATIONS AND CHARACTERISTICS CHARACTERISTICS AND FUNCTION Warship/patrol vessel of multi-purpose/modular design. The corvette will be equipped with one intercept vessel up to 13 m long, intended for rescue and intervention, which will be able to reach a maximum speed of at least 40 knots, as well as accept and transport at least 10 people. The vessel will be lowered and raised by a fast stern ramp, at sea state not exceeding 4. The corvette will be equipped with two cranes designed to load intermodal containers, supply cargo warehouses, and carry equipment for removing oil...

To improve stability, vessels will be equipped with an active stabilization system. The corvette will be structurally prepared for the installation of additional equipment on both sides of the bridge deck. The low silhouette of the hull and the compactness of the superstructure will have a beneficial effect on reducing the visual and radar visibility of the corvette. To reduce thermal visibility, the emissions of all diesel engines will be taken into the sea. To reduce magnetic visibility, i.e., the protection against magnetic and induction mines, the corvette will be equipped with an...

HULL MATERIAL: SUPERSTRUCTURE: Shipbuilding steel Aluminum alloy Generator sets: 2 engines, each providing 9100 kW 4 generators, each providing 530 kW Up to 13 m RHIB interceptor station DESIGN DRAUGHT 4,0 m SPEED cruising range 16 knots, 3000 NM patrol speed 10 knots Sea Hawk or NH-90 helipad

Maritime and maneuverability specifications The corvette is designed for: Full operation at sea state up to 5 according to WMO, including military helicopter reception The corvette’s speed The corvette can reach the speed of 26 knots in the following conditions: Complete crew and equipment Safe use (raising/lowering) of the RIB interceptor at sea state 4 Limited operability at sea state up to 6 Sailing with maximum continuous power at sea state 4 – 5 according to WMO 50% fuel, oil, food, water, and black water tanks The corvette will meet the requirements of NATO STANAG 4154. Sea depth not...

CREW, SUPPLIES, AUTONOMY, CRUISING RANGE The corvette accommodates 71 crew members including: • 61 crew members • 10 additional support staff The autonomy of the corvette is over 30 days with 71 crew members and support staff. The corvette will have secured containers for separate waste storage and packaging following the "MARPOL" convention

Cruising range The cruising range of the corvette is 3000 NM. The arrival of the ship is 3000 NM in navigation at an optimum speed of 16 knots and assuming that 10% of the fuel remains in the tanks. The hull is constructed of shipbuilding steel of standard bulbous profiles, I profiles (strips), and crafted T-profiles. The superstructure will be constructed of AlMg4.5Mn aluminum alloy sheets, standard I profiles (strips), and crafted T-profiles.

COMBAT SYSTEM Corvette BIS 91 is designed as a multi-purpose warship performing general combat tasks that include artillery operations on the surface, air, and coastal targets, effective medium-range anti-aircraft combat, effective long-range combat on the surface and coastal land targets, anti-submarine combat, and close air defense of the vessel as well as defense against all forms of asymmetric threats. The combat system for BIS 91 structurally consists of three segments, as follows: Weapons system Sensor system Combat management system (CMS)

WEAPONS SYSTEM BIS-91 is equipped with the following weapons system to perform all the necessary tasks in terms of combat operations: / Bow gun – main caliber 76mm (optional 57mm) located on the bow of the corvette / Anti-aircraft missiles system with a vertical launch located on the bow of the corvette, behind the main cannon / A long-range anti-ship missile defense system located on the superstructure behind the wheelhouse / Light torpedo system for anti-submarine combat – located on the stern of the main deck / Remotely controlled locally stabilized small-caliber guns (up to 30 mm), 2...

SENSOR SYSTEM The corvette’s sensor system required for the efficient use of the described weapons system consists of: / 3D observation radar as the main monitoring system onboard (Identification Friend or Foe – IFF). The antenna part of the system is located at the top of the mast while the transceiver is placed in the technical room near the vessel’s combat operational center. / Radar and EO (electro-optical) fire monitoring and control system according to monitored targets. The antenna part of the system is located above the wheelhouse, while the auxiliary systems are in the technical...

COMBAT MANAGEMENT SYSTEM The CMS system is based on a fully open and distributed computer hardware and software configuration with all the necessary interfaces of the vessel’s sensor and weapon systems and the necessary operator panels for quality graphical presentation of the tactical air, surface, and underwater situation around the ship necessary for the analysis, situation assessment, acquisition, and monitoring goals, as well as making timely decisions on the action. The presentation part of the system (operator panels) is in the vessel’s combat operational center, while the necessary...