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Warships2007–presentProfile in progress
Multi-purpose corvette / frigate
Sigma-class design is a multi-purpose corvette / frigate originating in Netherlands. It was built by Damen Schelde Naval Shipbuilding PT PAL Indonesia ASTIMAR 20 COTECMAR. Reported operators include Indonesian Navy Royal Moroccan Navy Mexican Navy.
NetherlandsDamen Schelde Naval Shipbuilding PT PAL Indonesia ASTIMAR 20 COTECMAR
Indonesian Navy Royal Moroccan Navy Mexican Navy
9113 (Indonesian corvette variant) 9813 (Moroccan heavy corvette variant) 10513 (Moroccan light frigate variant) 10514 PKR (Indonesian frigate variant) 10514 POLA (Mexican Long Range OPV Variant)
$222 million
2005–present
2007–present
18
10
10
Multi-purpose corvette / frigate
1,692 tons
90.71 m (297 ft 7 in)
13.02 m (42 ft 9 in)
3.60 m (11 ft 10 in)
2 × 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 × Caterpillar 3406C TA generator rated at 350 kW each 1 × Caterpillar 3304B emergency generator rated at 105 kW 2 × shaft with Rolls-Royce Kamewa 5 bladed controllable pitch propeller 2 × Renk ASL94 single step reduction gear with passive roll stabilization
Maximum : 28 knots (52 km/h; 32 mph) Cruising : 18 knots (33 km/h; 21 mph) Economy : 14 knots (26 km/h; 16 mph)
Cruising speed at 18 kn (33 km/h; 21 mph): 3,600 nmi (6,700 km; 4,100 mi) Economy speed at 14 kn (26 km/h; 16 mph): 4,800 nmi (8,900 km; 5,500 mi)
20, up to 80
Combat System : Thales Group Tacticos with 4 × 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 F ibre O ptical CO mmunications N etwork (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
ESM : Thales VIGILE 100 ECM : Racal Scorpion 2L Decoy : Terma SKWS, DLT-12T 130mm decoy launchers, port, starboard
1 × Oto Melara 76 mm gun (A position) 2 × 20 mm Denel GI-2 gun (B position) 2 × quad (8) Mistral TETRAL Anti-air missile, forward & aft 4 × Exocet MM40 Block II/MM40 Block III anti-surface missile 2 × B515/3 triple launchers for lightweight WASS A244-S mod.3 / EuroTorp MU 90 torpedoes
Landing pad, optional hangar
The SIGMA class is a Dutch-built family of modular naval vessels, of either corvette or frigate size, designed by Damen Group .
Cruising speed at 18 kn (33 km/h; 21 mph): 3,600 nmi (6,700 km; 4,100 mi) Economy speed at 14 kn (26 km/h; 16 mph): 4,800 nmi (8,900 km; 5,500 mi)
Cruising speed at 18 kn (33 km/h; 21 mph): 3,600 nmi (6,700 km; 4,100 mi) Economy speed at 14 kn (26 km/h; 16 mph): 4,800 nmi (8,900 km; 5,500 mi)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 1 Oct 2026 | 90.71 m | Wikipedia contributors | superseded |
| 1 Oct 2026 | 90.71 m | Wikipedia contributors | approved |
Sigma-class design equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Mexico
Morocco