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Diesel-electric attack submarine
Orka-class submarine is a diesel-electric attack submarine. It was built by Naval Group. Reported operators include Royal Netherlands Navy.
FranceTechnical data
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 |
|---|---|---|---|
| 29 Sept 2026 | 82 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 82 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 82 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 82 m | Wikipedia contributors | approved |
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Orka class
Naval Group
Royal Netherlands Navy
Walrus class
€ 3.5 billion (2018) (equivalent to € 4.11 billion in 2025) for 4 units € 4.64 billion (2020) (equivalent to € 5.36 billion in 2025) for 4 units € 5.6 billion (2024) (equivalent to € 5.65 billion in 2025) for 4 units
2027 -
2034+
4
Diesel-electric attack submarine
3,300 t (3,248 long tons ) surfaced
82 m (269 ft 0 in)
8.2 m (26 ft 11 in)
Diesel-electric with lithium-ion batteries
15,000 nmi (28,000 km; 17,000 mi)
35 to 43 (plus at least 16 additional berths)
Systems: Thales multi-acoustic sensors surveillance Sonars: Thales sonar suite: Flank array sonar Towed array sonar MOAS (mine & obstacle avoidance sonar) Cylindrical array sonar Intercept cylindrical array Echo sounder (navigation) Masts: Safran Series-30AOM / SOM attack and search optronics mast (equipped with integral RESM antennas) Safran Series 10 CSR mast with Sentinel-U radar Safran SIGMA 40 XP gyrolaser navigation systems Communications: Thales underwater communication systems
6 × 533 mm (21 in) torpedo tubes for: F21 Mk2 heavy torpedoes Cruise missiles (TBD) Payload capacity: 30 torpedo-size weapons and UUV
The Orka -class submarine is a future submarine class currently planned for the Royal Netherlands Navy (RNLN).
Roughly, there are two groups in the Dutch parliament – one in favor of replacing the Walrus class by an equally capable class of large, expeditionary, diesel-electric submarine, and the other in favor of choosing a cheaper solution of smaller diesel-electrics, similar to Swedish and German submarines.
Damen Group and Saab Group announced that they have partnered from 2015 to jointly develop, offer and build next-generation submarines that are able to replace the current Walrus -class submarines. It was announced on 1 June 2018 that their design will be derived from the A26 submarine . The proposed submarine is around 73 metres (239 ft 6 in) long with a beam of 8 metres (26 ft 3 in). Furthermore, the displacement will be around 2,900 tonnes (2,900 long tons ), with a complement of 34 to 42 people. The boat's armament includes six torpedo tubes and one multi-mission lock which can be used to deploy special forces. On 28 July 2023 they submitted a submarine design for the Walrus class replacement program that is called C718. The offer includes knowledge transfer so that the Royal Netherlands Navy can perform maintenance and upgrade the submarines during their lifespan by themselves.
Orka class 4 France Artist impression Attack submarine Naval Group Orka – 2033 – 2037 3,700 tonnes (submerged) 3,300 tonnes (surfaced)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.