Sigma class corvette

Sigma Class Corvette
Class overview
Builders: Schelde Naval Shipbuilding
Operators:  Indonesian Navy
 Royal Moroccan Navy
Subclasses: 9113 (Indonesian corvette variant), 9813 (Moroccan heavy corvette variant), 10513 (Moroccan light frigate variant), 10514 (Indonesian frigate variant)
Building: 1+?
Planned: 8
Active: 7
General characteristics
Type: Corvette or Frigate
Displacement: 1,692 tons
Length: 90.71 meters (297.62 feet)
Beam: 13.02 meters (42.72 feet)
Draft: 3.60 meters (11.81 feet)
Propulsion: 2 x SEMT Pielstick 20PA6B STC rated at 8910 kW each driving a lightweight Geislinger coupling combination BE 72/20/125N + BF 110/50/2H (steel - composite coupling combination)
4 x Caterpillar 3406C TA generator rated at 350 kW each
1 x Caterpillar 3304B emergency generator rated at 105 kW
2 x shaft with Rolls Royce Kamewa 5 bladed CP propeller
2 x Renk ASL94 single step reduction gear[1] with passive roll stabilization
Speed: Maximum: 28 knots (52 km/h)
Cruising: 18 knots (33 km/h)
Economy: 14 knots (26 km/h)
Range: At cruising speed of 18 knots (33 km/h): 3,600 Nm (6,700 km)
At economy speed of 14 knots (26 km/h): 4,800 Nm (8,900 km)
Complement: 20, up to 80
Sensors and
processing systems:
Combat System: Thales Group TACTICOS[2] with 4 x Multifunction Operator Console Mk 3 2H
Search radar: MW08 3D multibeam surveillance radar
IFF: Thales TSB 2525 Mk XA (integrated with MW08)
Navigation radar: Sperry Marine BridgeMasterE ARPA radar
Fire control radar: LIROD Mk 2 tracking radar
Data Link: LINK Y Mk 2 datalink system
Sonar: Thales UMS 4132 Kingklip medium frequency active/passive ASW hull mounted sonar
Internal Communications: Thales Communication's Fibre Optical COmmunications Network (FOCON) or EID's ICCS where on-board users have access to internal and/or external communication channels and integrated remote control of communications equipment
Satellite Comms: Nera F series
Navigation System: Raytheon Anschutz integrated navigation
Integrated Platform Management System: Imtech UniMACs 3000 Integrated Bridge System[3]
Electronic warfare
& decoys:
ESM: Thales DR3000
ECM: Racal Scorpion 2L
Decoy: TERMA SKWS, DLT-12T 130mm decoy launchers, port, starboard
Armament: Anti-air missile: 2 x quad MBDA Mistral TETRAL, forward & aft
Anti-surface missile: 4 x MBDA Exocet MM40 Block II
Guns: Oto Melara 76 mm (A position)
2 x 20 mm Denel Vektor G12 (Licensed copy of GIAT M693/F2) (B position)
Torpedoes: EuroTorp 3A 244S Mode II/MU 90 in 2 x B515 launchers
Aviation facilities: landing pad, optional hangar