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BWarships
At a glance
HNLMS Hydrograaf (2021)larger figure on 0 of 2
SAS Charlotte Maxekelarger figure on 2 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source15.70 m (51 ft 6 in)[source]
Length
Single sourceConfiguration
| Specification | HNLMS Hydrograaf (2021) | SAS Charlotte Maxeke |
|---|---|---|
| Power | 2 diesel engines 1,564 hp (1,166 kW)[source] | Diesel-electric, 4 diesels, 1 shaft, 6,100 shp (4,500 kW)[source] |
| Name | Expeditionary survey boat (ESB)[source] | SAS Charlotte Maxeke[source] |
| Builders | Damen Group , Den Helder , Netherlands[source] | — |
| Operators | Royal Netherlands Navy[source] | — |
| Built | 2019–2021 |
62 m (203 ft)[source]
Submerged
Single source1,454 t , submerged[source]
at 10 kn (19 km/h; 12 mph), snorkeling
Single sourceat 10 kn (19 km/h; 12 mph), surfaced
Single sourceat 4 kn (7.4 km/h; 4.6 mph), submerged
Single source11,000 nmi (20,000 km; 13,000 mi) at 10 kn (19 km/h; 12 mph), surfaced, 8,000 nmi (15,000 km; 9,200 mi) at 10 kn (19 km/h; 12 mph), snorkeling , 400 nmi (740 km; 460 mi) at 4 kn (7.4 km/h; 4.6 mph), submerged[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| In commission | 2021–present[source] | — |
|---|
| Planned | — |
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| Completed | — |
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| Active | — |
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| Laid down | 2019[source] | — |
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| Launched | 21 January 2021[source] | 4 May 2005[source] |
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| Commissioned | 26 February 2021[source] | 14 March 2007[source] |
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| Home port | Den Helder[source] | — |
|---|
| Identification | Pennant number : H8021[source] | — |
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| Status | in active service[source] | in active service[source] |
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| Type | Expeditionary Survey Boat (ESB)[source] | — |
|---|
| Tonnage | 22 GT[source] | — |
|---|
| Armament | 1 × MAG machine gun[source] | 8 × 21-inch (533 mm) torpedo tubes , 14 AEG SUT 264 torpedoes ; optional UGM-84 Harpoon integration[source] |
|---|
| Source measurement | The ESB is carried in a davit on board a Rotterdam -class landing platform dock or HNLMS Karel Doorman to its work area . Hydrograaf has a range of 100 nautical miles (190 km; 120 mi) and an operation time of 60 hours at 5 knots (9.3 km/h; 5.8 mph).[source]HNLMS Hydrograaf (2021) · History; only the objects and conditions stated in this passage | — |
|---|
| Namesake | — | Charlotte Maxeke , a South African religious leader and political activist[source] |
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| Operator | — | South African Navy[source] |
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| Builder | — | Howaldtswerke-Deutsche Werft, Kiel[source] |
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| Class & type | — | Heroine-class submarine[source] |
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| Test depth | — | 500 m (1,600 ft)[source] |
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| Sensors & processing systems | — | Sonar : STN Atlas CSU-90; hull mounted and flank arrays Radar : Surface search I-band Optics : Zeiss non-hull penetrating optronic mast[source] |
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| Electronic warfare & decoys | — | ESM : Grintek Avitronics, intercept + radar warning receiver ELINT : Saab S/UME-100 tactical electronic support measures[source] |
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