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Fleet Submarines
Bars-class
Delfin-class

Coastal Submarines
Molchkom-class
Bezmolvniy II-class
Besshumniy-class
Besshumniy II-class

Nuclear Ballistic Missile Submarines
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Project 23 Molchkom, Russian Coast Defense Submarine laid down 1928

Displacement:
430 t light; 444 t standard; 637 t normal; 791 t full load

Dimensions: Length overall / water x beam x draught
164.04 ft / 164.04 ft x 22.15 ft x 13.94 ft (normal load)
50.00 m / 50.00 m x 6.75 m x 4.25 m

Armament:
1 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1928 Model
Quick firing gun in deck mount
on centreline forward
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1928 Model
Anti-aircraft gun in deck mount
on centreline aft
Weight of broadside 14 lbs / 7 kg
Shells per gun, main battery: 150
6 - 20.9" / 530 mm above water torpedoes, 6 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 2 shafts, 974 shp / 727 Kw = 14.00 kts
Range 12,000nm at 12.00 kts
Bunker at max displacement = 347 tons

Complement:
31 - 41

Cost:
£0.079 million / $0.318 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.3 %
Machinery: 30 tons, 4.8 %
Hull, fittings & equipment: 268 tons, 42.0 %
Fuel, ammunition & stores: 207 tons, 32.5 %
Miscellaneous weights: 130 tons, 20.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
190 lbs / 86 Kg = 14.7 x 3.0 " / 75 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 0.6 ft / 0.2 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.440
Length to Beam Ratio: 7.41 : 1
'Natural speed' for length: 12.81 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.00 ft / 0.00 m
- Forecastle (25 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 132.5 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 2,299 Square feet or 214 Square metres
Displacement factor (Displacement / loading): 311 %
Structure weight / hull surface area: 77 lbs/sq ft or 376 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2.56
- Longitudinal: 2.57
- Overall: 2.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Ships in Class:
- M-1
- M-2
- M-3
- M-4
- M-5
- M-6
- M-7
- M-8
- M-9
- M-10
- M-11
- M-12
- M-13
- M-14
- M-15
- M-16
- M-17
- M-18
- M-19
- M-20

Project 41 Bezmolvniy II, Russian Coastal Submarine laid down 1932

Displacement:
285 t light; 293 t standard; 329 t normal; 358 t full load

Dimensions: Length overall / water x beam x draught
131.89 ft / 131.89 ft x 18.04 ft x 11.15 ft (normal load)
40.20 m / 40.20 m x 5.50 m x 3.40 m

Armament:
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft gun in deck mount
on centreline forward
1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine gun in deck mount
on centreline amidships
Weight of broadside 2 lbs / 1 kg
Shells per gun, main battery: 2,000
4 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 1 shaft, 919 shp / 685 Kw = 15.00 kts
Range 3,200nm at 12.00 kts
Bunker at max displacement = 64 tons

Complement:
19 - 25

Cost:
£0.063 million / $0.253 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.1 %
Machinery: 27 tons, 8.2 %
Hull, fittings & equipment: 178 tons, 53.9 %
Fuel, ammunition & stores: 44 tons, 13.5 %
Miscellaneous weights: 80 tons, 24.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
48 lbs / 22 Kg = 30.8 x 1.5 " / 37 mm shells or 0.1 torpedoes
Stability (Unstable if below 1.00): 1.00
Metacentric height 0.4 ft / 0.1 m
Roll period: 12.3 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.434
Length to Beam Ratio: 7.31 : 1
'Natural speed' for length: 11.48 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 185.2 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 1,424 Square feet or 132 Square metres
Displacement factor (Displacement / loading): 242 %
Structure weight / hull surface area: 80 lbs/sq ft or 392 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.29
- Longitudinal: 3.28
- Overall: 3.28
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Range:
9,000nm @ 8kts
5,200nm @ 10kts

Diving Characteristics:
Operational Depth - 328 ft/100 m
Emergency Depth - 525 ft/160 m
Crush Depth - 820 ft/250 m

Ships in Class:
- S-1
- S-2
- S-3
- S-4
- S-5
- S-6
- S-7
- S-8
- S-9
- S-10
- S-11
- S-12
- S-13
- S-14
- S-15
- S-16
- S-17
- S-18
- S-19
- S-20
- S-21
- S-22
- S-23
- S-24
- S-25
- S-26
- S-27
- S-28
- S-29
- S-30
- S-31
- S-32
- S-33
- S-34
- S-35
- S-36
- S-37
- S-38
- S-39
- S-40

Project 40 Bars, Russian Fleet Submarine laid down 1932

Displacement:
913 t light; 942 t standard; 1,286 t normal; 1,561 t full load

Dimensions: Length overall / water x beam x draught
196.85 ft / 196.85 ft x 27.40 ft x 17.39 ft (normal load)
60.00 m / 60.00 m x 8.35 m x 5.30 m

Armament:
1 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1932 Model
Dual purpose gun in deck mount
on centreline forward
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft gun in deck mount
on side amidships
1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine gun in deck mount
on side aft
1 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.00kg shells, 1932 Model
Machine gun in deck mount
on centreline amidships
Weight of broadside 39 lbs / 18 kg
Shells per gun, main battery: 150
8 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 1 shaft, 1,869 shp / 1,394 Kw = 15.00 kts
Range 39,900nm at 8.00 kts
Bunker at max displacement = 619 tons

Complement:
53 - 69

Cost:
£0.196 million / $0.783 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0.3 %
Machinery: 55 tons, 4.3 %
Hull, fittings & equipment: 539 tons, 41.9 %
Fuel, ammunition & stores: 373 tons, 29.0 %
Miscellaneous weights: 315 tons, 24.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
477 lbs / 217 Kg = 15.6 x 3.9 " / 100 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.01
Metacentric height 0.7 ft / 0.2 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.480
Length to Beam Ratio: 7.19 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 48 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 116.2 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 3,380 Square feet or 314 Square metres
Displacement factor (Displacement / loading): 281 %
Structure weight / hull surface area: 102 lbs/sq ft or 500 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2.73
- Longitudinal: 2.77
- Overall: 2.74
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Range:
23,700nm at 10.00 kts
15,000 nm at 12 kts

Diving Characteristics:
Operational depth - 274 ft/84 m
Emergency depth - 438 ft/134 m
Crush depth - 685 ft/209 m

Ships in Class:
- K-1
- K-2
- K-3
- K-4
- K-5
- K-6
- K-7
- K-8
- K-9
- K-10
- K-11
- K-12
- K-13
- K-14
- K-15
- K-16
- K-17
- K-18
- K-19
- K-20

Project 53 Besshumniy, Russian Coastal Submarine laid down 1937

Displacement:
405 t light; 416 t standard; 469 t normal; 512 t full load

Dimensions: Length overall / water x beam x draught
143.21 ft / 143.21 ft x 20.67 ft x 11.81 ft (normal load)
43.65 m / 43.65 m x 6.30 m x 3.60 m

Armament:
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft gun in deck mount
on centreline forward
1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1937 Model
Machine gun in deck mount
on centreline amidships
Weight of broadside 2 lbs / 1 kg
Shells per gun, main battery: 2,000
6 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 2 shafts, 2,395 shp / 1,787 Kw = 18.00 kts
Range 4,100nm at 12.00 kts
Bunker at max displacement = 96 tons

Complement:
49 - 65

Cost:
£0.129 million / $0.516 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 66 tons, 14.1 %
Hull, fittings & equipment: 230 tons, 49.1 %
Fuel, ammunition & stores: 65 tons, 13.8 %
Miscellaneous weights: 108 tons, 23.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11 lbs / 5 Kg = 7.2 x 1.5 " / 37 mm shells or 0.0 torpedoes
Stability (Unstable if below 1.00): 1.02
Metacentric height 0.5 ft / 0.1 m
Roll period: 12.5 seconds
Steadiness - As gun platform (Average = 50 %): 2 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.470
Length to Beam Ratio: 6.93 : 1
'Natural speed' for length: 11.97 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.33 ft / 0.10 m
- Forecastle (20 %): 0.33 ft / 0.10 m
- Mid (50 %): 0.33 ft / 0.10 m
- Quarterdeck (15 %): 0.33 ft / 0.10 m
- Stern: 0.33 ft / 0.10 m
- Average freeboard: 0.33 ft / 0.10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 470.3 %
- Above water (accommodation/working, high = better): 2.3 %
Waterplane Area: 1,836 Square feet or 171 Square metres
Displacement factor (Displacement / loading): 194 %
Structure weight / hull surface area: 83 lbs/sq ft or 406 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.00
- Longitudinal: 2.99
- Overall: 2.99
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Range:
11,500nm @ 8kts
6,600nm @ 10kts
4,100nm @ 12 kts

Breakdown of Miscellaneous Weights:
78 tons ballast
10 tons sonar
20 tons torpedo reloads (10 fwd, 2 aft)

Diving Characteristics:
Operational Depth - 300 ft/91 m
Emergency Depth - 480 ft/146 m
Crush Depth - 750 ft/229 m

Ships in Class:
- S-41
- S-42
- S-43
- S-44
- S-45
- S-46
- S-47
- S-48
- S-49
- S-50
- S-51
- S-52
- S-53
- S-54
- S-55
- S-56
- S-57
- S-58
- S-59
- S-60

Project 53U Besshumniy II, Russian Coastal Submarine laid down 1939

Displacement:
399 t light; 409 t standard; 459 t normal; 500 t full load

Dimensions: Length overall / water x beam x draught
142.51 ft / 142.39 ft x 20.34 ft x 11.81 ft (normal load)
43.44 m / 43.40 m x 6.20 m x 3.60 m

Armament:
1 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1939 Model
Dual purpose gun in deck mount
on centreline forward
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1939 Model
Anti-aircraft gun in deck mount
on side
1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1939 Model
Machine gun in deck mount
on side
Weight of broadside 7 lbs / 3 kg
Shells per gun, main battery: 54
6 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 1 shaft, 2,367 shp / 1,766 Kw = 18.00 kts
Range 4,000nm at 12.00 kts
Bunker at max displacement = 91 tons

Complement:
24 - 32

Cost:
£0.138 million / $0.552 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.2 %
Machinery: 64 tons, 13.9 %
Hull, fittings & equipment: 226 tons, 49.3 %
Fuel, ammunition & stores: 60 tons, 13.1 %
Miscellaneous weights: 108 tons, 23.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
8 lbs / 4 Kg = 1.5 x 2.2 " / 57 mm shells or 0.0 torpedoes
Stability (Unstable if below 1.00): 1.00
Metacentric height 0.5 ft / 0.1 m
Roll period: 12.6 seconds
Steadiness - As gun platform (Average = 50 %): 2 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.470
Length to Beam Ratio: 7.00 : 1
'Natural speed' for length: 11.93 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.33 ft / 0.10 m
- Forecastle (20 %): 0.33 ft / 0.10 m
- Mid (50 %): 0.33 ft / 0.10 m
- Quarterdeck (15 %): 0.33 ft / 0.10 m
- Stern: 0.33 ft / 0.10 m
- Average freeboard: 0.33 ft / 0.10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 539.1 %
- Above water (accommodation/working, high = better): 2.3 %
Waterplane Area: 1,796 Square feet or 167 Square metres
Displacement factor (Displacement / loading): 189 %
Structure weight / hull surface area: 83 lbs/sq ft or 405 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2.99
- Longitudinal: 3.05
- Overall: 3.00
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Notes:
76.5 tons ballast
8 tons sonar
23.5 tons torpedo reloads (10 fwd, 4 aft)

Range:
2,150nm @ 15 kts
6,700nm @ 10 kts
11,600nm @ 8 kts

Ships in Class:
- S-61
- S-62
- S-63
- S-64
- S-65
- S-66
- S-67
- S-68
- S-69
- S-70
- S-71
- S-72
- S-73
- S-74
- S-75
- S-76
- S-77
- S-78
- S-79
- S-80

Project 64 Delfin, Russian Fleet Submarine laid down 1941

Displacement:
923 t light; 953 t standard; 1,171 t normal; 1,346 t full load

Dimensions: Length overall / water x beam x draught
196.97 ft / 196.85 ft x 28.22 ft x 16.40 ft (normal load)
60.04 m / 60.00 m x 8.60 m x 5.00 m

Armament:
1 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1941 Model
Dual purpose gun in deck mount
on centreline forward
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1941 Model
Anti-aircraft gun in deck mount
on centreline amidships
1 - 0.55" / 14.0 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1941 Model
Machine gun in deck mount
on centreline aft, 1 raised gun
Weight of broadside 39 lbs / 18 kg
Shells per gun, main battery: 300
6 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 1 shaft, 3,597 shp / 2,684 Kw = 18.00 kts
Range 29,000nm at 8.00 kts
Bunker at max displacement = 393 tons

Complement:
99 - 130

Cost:
£0.303 million / $1.211 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0.3 %
Machinery: 95 tons, 8.1 %
Hull, fittings & equipment: 554 tons, 47.3 %
Fuel, ammunition & stores: 249 tons, 21.2 %
Miscellaneous weights: 270 tons, 23.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
603 lbs / 274 Kg = 19.8 x 3.9 " / 100 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 0.8 ft / 0.3 m
Roll period: 13.1 seconds
Steadiness - As gun platform (Average = 50 %): 2 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.450
Length to Beam Ratio: 6.98 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.33 ft / 0.10 m
- Forecastle (20 %): 0.33 ft / 0.10 m
- Mid (50 %): 0.33 ft / 0.10 m
- Quarterdeck (15 %): 0.33 ft / 0.10 m
- Stern: 0.33 ft / 0.10 m
- Average freeboard: 0.33 ft / 0.10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 101.0 %
- Above water (accommodation/working, high = better): 2.1 %
Waterplane Area: 3,376 Square feet or 314 Square metres
Displacement factor (Displacement / loading): 238 %
Structure weight / hull surface area: 108 lbs/sq ft or 527 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2.84
- Longitudinal: 2.90
- Overall: 2.85
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Breakdown of Miscellaneous Weights:
195 tons ballast
8 tons sonar
10 tons snorkel
32 tons torpedo reloads (12 fwd, 4 aft)
25 tons mines

Range:
5,800nm @ 15 kts
10,800nm @ 12kts
17,100nm @ 10 kts
29,00nm @ 8 kts

Ships in Class:
- K-21: Built 1941
- K-22: Built 1941
- K-23: Built 1941
- K-24: Built 1941
- K-25: Built 1941
- K-26: Built 1941
- K-27: Built 1941
- K-28: Built 1941
- K-29: Built 1941
- K-30: Built 1941
- K-31: Built 1943
- K-32: Built 1943
- K-33: Built 1943
- K-34: Built 1943
- K-35: Built 1943
- K-36: Built 1943
- K-37: Built 1943
- K-38: Built 1943
- K-39: Built 1943
- K-40: Built 1943

M401-class Experimental Submarine
Date: 1945
Type: Coastal
Length: 56.0m
Beam: 5.1m
Draft: 4.8m
Crush depth: 225m
Light Displacement 365t
Loaded Displacement 685t
Full Displacement 685t
wt fuel&batts: 110t
Reserve buoyancy: 30%

Armament:
- 2 x 530mm (bow)
- 4 tons for mines or reload torpedoes
ElecHP: 0hp
Diesel HP: 1800hp
H20HP: 3600hp
Speed:
- Max Surf Speed: 15.3 knots
- Max Sub Speed: 18.6 knots
Range:
- Surfaced: 1390nm@12 knots
- Submerged: 3310nm@6 knots
Tons Oil: 20.0t
Tons Battery: 0.0t
Tons H2O: 90.0t
Miscellaneous Weight: 29 tons

Crew: 27

Notes:
The H2O engine stands in for the experimental Basilevskiy REDO closed-cycle diesel engine. In total, the M401 has a total of three 1800hp diesel engines, with one designed for surface running and the other two designed for submerged operation.

Ships in Class:
- M401: Laid down 1945.

Project 78 "Barrakuda" class Submarine
Date: 1947
Type: Oceanic
Length: 90.0m
Beam: 8.2m
Draft: 7.5m
Crush depth: 317.5m
Light Displacement 1950t
Loaded Displacement 2361t
Full Displacement 2768t
wt fuel&batts: 750t
Reserve buoyancy: 15%

Armament:
- 4 x 530mm torpedo tubes (all bow tubes)
- 36 tons for mines or reload torpedoes
ElecHP: 4800hp
DieselHP: 9600hp
Speed:
- Max Surf Speed: 19.7 knots
- Max Sub Speed: 15.1 knots
Range:
- Surfaced: 10374nm@12 knots
- Submerged: 230nm@6 knots / 85nm@9 knots
Tons Oil: 375.0t
Tons Battery: 375.0t
Miscellaneous Weight: 114 tons
- 9 tons for snort and systems
- 25 tons for hydrophones and electronics
- 80 tons for other submarine-y stuff

Crew: 79

Electronics:
- 5 tons for NR-134 surface search radar
- 2 tons for NR-119M surface and air search radar
- 1 ton for PRP/2 radar warning receiver
- 8 tons for primary G-15 passive-active hydrophone
- 4 tons for secondary G-12bis passive hydrophone
- 5 tons for two G-13 passive hydrophones

Units in Class:
- K-41: laid down 1947 in Arkhangelsk.
- K-42: laid down 1947 in Arkhangelsk.
- K-43: laid down 1947 in Arkhangelsk.
- K-44: laid down 1947 in Murmansk.
- K-45: laid down 1947 in Murmansk.
- K-46: laid down 1948 in Arkhangelsk.
- K-47: laid down 1948 in Arkhangelsk.
- K-48: laid down 1948 in Arkhangelsk.
- K-49: laid down 194 in Murmansk.
- K-50: laid down 1948 in Murmansk.

Project 86 "Kosatki" class Submarine
Date: 1948
Type: Coastal
Length: 76.0m
Beam: 6.9m
Draft: 4.9m
Crush depth: 225m
Light Displacement 880t
Loaded Displacement 1054t
Full Displacement 1285t
wt fuel&batts: 350t
Reserve buoyancy: 18%

Armament:
- 6 x 530mm torpedo tubes (all bow tubes)
- 24 tons for mines or reload torpedoes
ElecHP: 5200hp
DieselHP: 3600hp
Speed:
- Max Surf Speed: 18.3 knots
- Max Sub Speed: 16.2 knots
Range:
- Surfaced: 7548nm@12 knots
- Submerged: 203nm@6 knots / 74nm@9 knots
Tons Oil: 150.0t
Tons Battery: 200.0t
Miscellaneous Weight: 57 tons
- 7 tons for snort and systems
- 25 tons for electronics
- 25 tons for other

Electronics:
- 5 tons for NR-134 surface search radar
- 2 tons for NR-119M surface and air search radar
- 1 ton for PRP/2 radar warning receiver
- 8 tons for primary G-15 passive-active hydrophone
- 4 tons for secondary G-12bis passive hydrophone
- 5 tons for two G-13 passive hydrophones

Crew: 43

Units in Class:
- S-81: laid down 1948 in Vladivostok.
- S-82: laid down 1948 in Vladivostok.
- S-83: laid down 1948 in Petrograd.
- S-84: laid down 1948 in Petrograd.
- S-85: laid down 1948 in Petropavlovsk-Kamchatsky.
- S-86: laid down 1948 in Vladivostok.
- S-87: laid down 1948 in Vladivostok.
- S-88: laid down 1948 in Vladivostok.
- S-89: laid down 1948 in Petropavlovsk-Kamchatsky.
- S-90: laid down 1948 in Petropavlovsk-Kamchatsky.

Kibela (export Cybèle) class Submarine
Date: 1949
Type: Coastal
Length: 45.0m
Beam: 4.6m
Draft: 4.2m
Crush depth: 225m
Light Displacement 365t
Loaded Displacement 375t
Full Displacement 435t
wt fuel&batts: 70t
Reserve buoyancy: 14%

Armament:
- 8 x 533mm torpedo tubes (all bow tubes, no reloads)
ElecHP: 1800hp
DieselHP: 450hp
Speed:
- Max Surf Speed: 10.5 knots
- Max Sub Speed: 16.4 knots
Range:
- Surfaced: 3523nm@6 knots
- Submerged: 296nm@4 knots / 28nm@10 knots
Tons Oil: 10.0t
Tons Battery: 60.0t
Miscellaneous Weight: 13 tons
- 2 tons for snort
- 8 tons for electronics
- 3 tons for other

Electronics:
- 2 tons for DRBV-6C surface and air search radar
- 1 ton for ARBR-1L radar warning receiver
- 2 tons for primary G-15 active hydrophone
- 3 tons for two G-13 passive hydrophones

Crew: 19

Units in Class:
- S-91: Laid down 1949.
- S-92: Laid down 1949.
- S-93: Laid down 1949.
- S-94: Laid down 1949.
- S-95: Laid down 1949.

Notes:
The Kibela class is a close variant of the French Cybèle class coastal submarines originally designed by DCNS in 1947 and 1948. The original design proposal was for a small, compact coastal submarine for service on the North, Baltic or Black Seas, with Latvia, Belgium, Poland, or Denmark identified as potential customers. DCNS adapted many of the lessons they had learned from earlier submarine projects to produce their design proposal. Having seen the design relatively early in its design process, the Russian Navy was impressed by its capabilities and ordered multiple examples of the type, with deliveries starting in 1949. All of the initial boats were constructed in France.