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At a glance
Measured figures
o/a
Single source179.5 m (588 ft 11 in) o/a[source]
Length
Single sourceConfiguration
| Specification | HNLMS Den Helder | Rigid Raider |
|---|---|---|
| Name | Den Helder class[source] | — |
| Builders | Damen Schelde Naval Shipbuilding Damen Shipyards Galați[source] | — |
| Operators | Royal Netherlands Navy[source] | — |
| Preceded by | HNLMS Amsterdam[source] | — |
| Cost | € 374 million (2019) (equivalent to € 434 million in 2025)[source] | — |
| Built | 2020 –2025[source] |
6.5 m (21 ft 4 in)[source]
Displacement
Single source20,000 t (19,684 long tons )[source]
plus 75 people
Single source75 (plus 75 people)[source]
Maximum; Speed
Single source20 knots (37 km/h; 23 mph)[source]
In excess of
Single sourceIn excess of 120 nautical miles (220 km)[source]
6-cylinder turbo-diesel
Single source6-cylinder turbo-diesel , 240 hp (180 kW)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Planned | — |
|---|
| Completed | — |
|---|
| Active | — |
|---|
| Namesake | City of Den Helder[source] | — |
|---|
| Awarded | 19 February 2020[source] | — |
|---|
| Builder | Damen Schelde Naval Shipbuilding Damen Shipyards Galați[source] | — |
|---|
| Yard number | 312421000 / 421000[source] | — |
|---|
| Laid down | 2 June 2021[source] | — |
|---|
| Launched | October 2022[source] | — |
|---|
| Christened | 22 February 2025[source] | — |
|---|
| Commissioned | 1 October 2025[source] | — |
|---|
| Home port | Den Helder[source] | — |
|---|
| Identification | Pennant number : A834 IMO number : 4763959 MMSI number : 244936000[source] | — |
|---|
| Status | Delivered and on sea trials[source] | — |
|---|
| Type | Replenishment oiler[source] | — |
|---|
| Propulsion | 4 × Wärtsila 31 2 x GE Vernova electric motors[source] | — |
|---|
| Boats & landing craft carried | 2 × LCVPs in davits[source] | — |
|---|
| Sensors & processing systems | Thales NS100 Air & Surface radar Thales Pharos-radar[source] | — |
|---|
| Armament | 1 x OTO Melara 76 mm gun, incl. DART ammunition 1 × RAM RIM-116 , 21 missiles each 4 x 12.7 mm Lion Fish[source] | — |
|---|
| Aircraft carried | 2 NH90 NFH (medium sized helicopters)[source] | — |
|---|
| Troops | — | 10 Royal Marines (2 crew, 8 fully equipped troops)[source] |
|---|
| Role | — | fast raiding and assault craft[source]Exact source equipment subject, not its payload or a supported platform |
|---|
| Country of origin | — | United Kingdom[source]Inventory Origin column; table 2, row 3, cell 2; revision 1373375989; retrieved 2026-09-30 |
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