FORCETALLY
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At a glance
Archer-class patrol vessellarger figure on 1 of 4
YMS-1-class minesweeperlarger figure on 3 of 4
Measured figures
Length
Single sourceArcher class · Length
Single sourceConfiguration
| Specification | Archer-class patrol vessel | YMS-1-class minesweeper |
|---|---|---|
| Power | — | 2 × 440 bhp (330 kW) General Motors 8-268A diesel engines 2 shafts[source] |
| Name | Archer class[source] | YMS-1[source] |
| Builders | Watercraft Marine Vosper Thornycroft Ailsa Shipbuilding Company[source] | 35 yacht builders[source] |
| Operators | Royal Navy Royal Oman Police[source] | United States Navy Royal Navy French Navy Maritime Command Polish Navy Japan Maritime Self-Defense Force Republic of Vietnam Navy |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source136 ft (41 m)[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 knots (28 km/h)[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] | Atada class (Japan)[source] |
|---|
| In commission | 1985–present[source] | about March 1942 – 13 December 1957[source] |
|---|
| Active | 17 (16 Royal Navy, 1 Royal Oman Police)[source] |
|---|
| Type | Patrol boat & training vessel[source] | Minesweeper[source] |
|---|
| Propulsion | 2 shafts, Cat C18 ACERT diesels[source] | — |
|---|
| Sensors & processing systems | Decca 1216 navigation 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 × 3-inch/50 caliber gun mount 2 × 20 mm guns 2 × depth charge projectors[source] |
|---|
| Country of origin | United Kingdom[source] | — |
|---|
| Subclasses | — | YMS-136 , YMS-446[source] |
|---|
| Completed | — | 481[source] |
|---|
| Canceled | — | YMS-482 – YMS-500[source] |
|---|
| Lost | — | 32[source] |
|---|