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Naval support & landing craftDelivered and on sea trialsProfile in progress
Replenishment oiler
HNLMS Den Helder is a replenishment oiler. It was built by Damen Schelde Naval Shipbuilding Damen Shipyards Galați. Reported operators include Royal Netherlands Navy.
Technical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Den Helder class
Damen Schelde Naval Shipbuilding Damen Shipyards Galați
Royal Netherlands Navy
HNLMS Amsterdam
€ 374 million (2019) (equivalent to € 434 million in 2025)
2020 –2025
1
1
1
City of Den Helder
19 February 2020
Damen Schelde Naval Shipbuilding Damen Shipyards Galați
312421000 / 421000
2 June 2021
October 2022
22 February 2025
1 October 2025
Den Helder
Pennant number : A834 IMO number : 4763959 MMSI number : 244936000
Delivered and on sea trials
Replenishment oiler
20,000 t (19,684 long tons )
179.5 m (588 ft 11 in) o/a
22 m (72 ft 2 in)
8 m (26 ft 3 in)
4 × Wärtsila 31 2 x GE Vernova electric motors
20 knots (37 km/h; 23 mph)
2 × LCVPs in davits
75 (plus 75 people)
Thales NS100 Air & Surface radar Thales Pharos-radar
1 x OTO Melara 76 mm gun, incl. DART ammunition 1 × RAM RIM-116 , 21 missiles each 4 x 12.7 mm Lion Fish
2 NH90 NFH (medium sized helicopters)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
HNLMS Den Helder equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Navy exact named Den Helder (fitted for but not with RIM-116 RAM SAM and 76mm gun) (capacity 2 med hel) component holdings; active, operational-reserve and training equipment excluding equipment in store, except explicit status exclusions stated below. November 2025 IISS assessment. Named service only, not a national total or combat-readiness measure. Source armament/capacity counts are excluded. Exact named ship/class source holdings only; armament fits, crew, displacement, other country vessels, completed production and weapon or missile stocks are excluded. Source names the exact DenHelder single ship, commissioned1October2025. Fitted-for-but-not-with RIM116/76mm weapons and two-helicopter capacity are preserved as notes and establish no actual gun/missile/helicopter inventory or combat-readiness count.
Reported count for Den Helder class. Service scope: Navy combat fleet; does not replace a national total. 1 distinct quantity component(s) from the same source list; shared rowspan cells counted once. Explicit source inventory scope: active; no other stock status or total inferred. Count column(s): in service: 1. Origin: Netherlands. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.