ASubmarines
Archer-class submarine
Credit
David's World 2011 · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified
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ASubmarines
At a glance
Archer-class submarinelarger figure on 0 of 4
Kalvari-class submarine (2015)larger figure on 4 of 4
Measured figures
Length
Single source60.5 m (198 ft 6 in)[source]
Length
Single sourceConfiguration
| Specification | Archer-class submarine | Kalvari-class submarine (2015) |
|---|---|---|
| Builders | Kockums[source] | Mazagon Dock Limited[source] |
| Operators | Republic of Singapore Navy[source] | Indian Navy[source] |
| Preceded by | Challenger class[source] | Sindhughosh class Shishumar class[source] |
| Succeeded by | Invincible class[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
67.5 m (221 ft 5 in)[source]
Submerged
Single sourceSurfaced
Single sourceSurfaced: 1,400 t (1,400 long tons; 1,500 short tons) Submerged: 1,500 t (1,500 long tons; 1,700 short tons)[source]
Submerged
Single sourceSurfaced
Single sourceMaximum; Submerged
Single sourceMaximum; Surfaced
Single sourceSurfaced: 8 kn (15 km/h; 9.2 mph) Submerged: 15 kn (28 km/h; 17 mph)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single sourceat 4 kn (7.4 km/h; 4.6 mph) (submerged)
Single sourceat 8 kn (15 km/h; 9.2 mph) (surfaced)
Single source6,500 nmi (12,000 km; 7,500 mi) at 8 kn (15 km/h; 9.2 mph) (surfaced) 550 nmi (1,020 km; 630 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.
Project 75I[source] |
| Completed |
|---|
| Active |
|---|
| Propulsion | 2 × Hedemora diesel-electric engines 2 × Kockums v4-275R Sterling AIP units[source] | 4 x MTU 12V 396 SE84 diesel engines 360 x battery cells DRDO PAFC Fuel Cell AIP (expected to be added in Fleet I submarines from September 2025 onwards)[source] |
|---|
| Sensors & processing systems | FAS[source] | — |
|---|
| Armament | 6 × 533 mm (21 in) torpedo tubes for TP-617 heavy-weight torpedoes and Blackshark torpedoes 3 × 400 mm (16 in) torpedo tubes[source] | 6 × 533 mm (21 in) weapon launching tubes . 18 charges for SUT torpedo or SM39 Exocet AShM OR 30 naval mines[source] |
|---|
| Country of origin | Sweden[source] | India[source] |
|---|
| Name | — | Kalvari class[source] |
|---|
| Cost | — | ₹ 23,652 crore (equivalent to ₹ 340 billion or US$3.5 billion in 2023) for six units ₹ 3,942 crore (equivalent to ₹ 57 billion or US$590 million in 2023) per unit (FY 2016)[source] |
|---|
| In commission | — | 2017 – present[source] |
|---|
| Planned | — |
|---|
| Canceled | — |
|---|
| Type | — | Attack submarine[source] |
|---|
| Endurance | — | 50 days[source] |
|---|
| Test depth | — | 350 metres (1,150 ft)[source] |
|---|
| Electronic warfare & decoys | — | C303/S anti-torpedo countermeasure system[source] |
|---|
Surfaced : 1,615 tonnes (1,589 long tons) Submerged : 1,775 tonnes (1,747 long tons)[source]
Surfaced : 11 knots (20 km/h; 13 mph) Submerged : 20 knots (37 km/h; 23 mph)[source]