FORCETALLY
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At a glance
Archer-class patrol vessellarger figure on 0 of 3
Viana do Castelo-class patrol vessellarger figure on 3 of 3
Measured figures
Length
Single sourceArcher class · Length
Single sourceConfiguration
| Specification | Archer-class patrol vessel | Viana do Castelo-class patrol vessel |
|---|---|---|
| Power | — | 2 x Wärtsilä diesel engines (3,900 kW (5,200 hp) each), 2 electric engines (200 kW (270 hp) each)[source] |
| Name | Archer class[source] | — |
| Builders | Watercraft Marine Vosper Thornycroft Ailsa Shipbuilding Company[source] | Estaleiros Navais de Viana do Castelo (ENVC) and West Sea Shipyard[source] |
| Operators | Royal Navy Royal Oman Police[source] | Portuguese Navy[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source83.10 m (272 ft 8 in)[source]
Maximum; Archer class · Speed
Single sourceMaximum; Hull design, but limited due to engine fitted
Single sourceMaximum; Speed
Single source20 knots (37 km/h; 23 mph) 42 knots (78 km/h; 48 mph) (Hull design, but limited due to engine fitted)[source]
25 knots[source]Archer class
Maximum
Single source21 knots (39 km/h; 24 mph) maximum[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by |
|---|
Scimitar class ; Cutlass class[source] |
| — |
| In commission | 1985–present[source] | 2010–present[source] |
|---|
| Active | 17 (16 Royal Navy, 1 Royal Oman Police)[source] |
|---|
| Type | Patrol boat & training vessel[source] | Offshore patrol vessel[source] |
|---|
| Propulsion | 2 shafts, Cat C18 ACERT diesels[source] | — |
|---|
| Sensors & processing systems | Decca 1216 navigation radar[source] | Leonardo Medusa MK4/B electro-optical fire control system, Electro-optical SAGEM / VIGY, 2x KH Manta2000 navigation radar, iXblue Quadrans inertial navigation system, Furuno Electric's FAR-3230 F-band, FAR-3220 I-band navigation radars[source] |
|---|
| Armament | 1 × Oerlikon 20 mm cannon on fo'c'sle (" for but not with ") 3 × General purpose machine guns ( Tracker , Raider , Dasher & Pursuer )[source] | 1 × 30 mm Oto Melara Marlin WS 2 × M2 Browning machine gun 2 x MG 3 machine gun[source] |
|---|
| Country of origin | United Kingdom[source] | — |
|---|
| Preceded by | — | João Coutinho -class corvette[source] |
|---|
| Subclasses | — | NPO - ocean patrol vessel NCP - anti-pollution vessel[source] |
|---|
| Planned | — | 10[source] |
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| Completed | — |
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| Boats & landing craft carried | — | 2 x Rigid Inflatable Boats[source] |
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| Aviation facilities | — | Medium-sized helicopter pad but no hangar supporting Super Lynx Mk.95[source] |
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| Notes | — | Anti-pollution version (NCP) System for recovery and transfer of pollutants spilled on the ocean. Barrier launcher. 2 × Floating tank of "Unibag" type, of 50 m3 each. 1 × Internal coil of vapor circulation, to allow the heating of the existing pollutant products inside of the tanks, to facilitate their extraction.[source] |
|---|
| Source measurement | — | Viana do Castelo was temporarily commissioned with an old 40 mm gun, but the Portuguese Navy is acquiring two 30 mm Oto Melara Marlin guns for the first two vessels.[source]Viana do Castelo-class patrol vessel · Design; only the objects and conditions stated in this passage Armament consists of a 30 mm Oto Melara Marlin, it replaces one 40 mm L/60 turreted gun in NRP Viana do Castelo , and four mounts to be armed with two 7.62 mm light machine guns and two 12.7 mm M2 Browning as well as two launching systems for MK55 Mod 2 mines . The ships are designed to operate automated systems and are equipped with a single Sagem SA Vigy 10 MKIII naval surveillance and observation platform, three water cannons , and two rigid inflatable boats. Each ship is capable of accommodating a Super Lynx MK95 light helicopter.[source]Viana do Castelo-class patrol vessel · Armament; only the objects and conditions stated in this passage The third series of the Viana do Castelo class will be armed with one 30 mm Oto Melara Marlin, one Mark 32 torpedo tube , one launching system for MK55 Mod 2 mines, countermeasure launcher, two Protector RWS and various 12.7 mm M2 Brownings.[source]Viana do Castelo-class patrol vessel · Armament; only the objects and conditions stated in this passage |
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