FORCETALLY
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At a glance
Archer-class patrol vessellarger figure on 1 of 4
Ivan Susanin-class patrol shiplarger figure on 3 of 4
Measured figures
Length
Single sourceArcher class · Length
Single sourceConfiguration
| Specification | Archer-class patrol vessel | Ivan Susanin-class patrol ship |
|---|---|---|
| Name | Archer class[source] | — |
| Builders | Watercraft Marine Vosper Thornycroft Ailsa Shipbuilding Company[source] | Admiralty Shipyard , Leningrad[source] |
| Operators | Royal Navy Royal Oman Police[source] | Soviet Navy Soviet Border Troops Russian Navy Russian Coast Guard[source] |
| Succeeded by | Scimitar class ; Cutlass class[source] | Purga class Okean class Project 23550 |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source70 m (230 ft)[source]
Maximum; Speed
Single sourceMaximum; Archer class · Speed
Single sourceMaximum; Hull design, but limited due to engine fitted
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; Speed
Single source15.4 knots (28.5 km/h; 17.7 mph)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| In commission | 1985–present[source] | 1972–present[source] |
|---|
| Active | 17 (16 Royal Navy, 1 Royal Oman Police)[source] |
|---|
| Type | Patrol boat & training vessel[source] | Icebreaking patrol ship[source] |
|---|
| Propulsion | 2 shafts, Cat C18 ACERT diesels[source] | — |
|---|
| Sensors & processing systems | Decca 1216 navigation radar[source] | MR-302 Rubka ("Strut Curve") surface and air-search radar MR-105 Turel ("Hawk Screech") fire-control radar[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 × twin 76 mm AK-726 2 × 30 mm AK-630[source] |
|---|
| Country of origin | United Kingdom[source] | — |
|---|
| Preceded by | — | Project 52K[source] |
|---|
| Built | — | 1972–1981[source] |
|---|
| Completed | — |
|---|
| Scrapped | — |
|---|
| Endurance | — | 50 days[source] |
|---|
| Aviation facilities | — | Helideck for Kamov Ka-25 or Ka-27[source] |
|---|
2,785 t (2,741 long tons) (standard) 3,710 t (3,650 long tons) (full load)[source]
6,000 nautical miles (11,000 km; 6,900 mi) (full speed) 10,700 nautical miles (19,800 km; 12,300 mi) at 12.5 knots (23.2 km/h; 14.4 mph)[source]