WesWorld

The Latvian fleet is a small coast defense force designed to suppliment Latvian and Russian coast artillery, naval aviation, and minefields in the seaward defense of Latvian territory.

It now consists of:
1 Destroyer
1 Minelayer
5 Submarines
5 Patrol Boats
7 Subchasers
22 Motor Torpedo Boats

Latvia - 2 factories

at Riga:
Type 0 slip #1 - Idle
Type 0 Slip #2 - Idle
Type 2 drydock # 1 - Idle

at Liepaja:
1 Type 1 slip - idle

Latvian Destroyer laid down 1933

Varonis, Latvian Destroyer laid down 1933

Displacement:
1,970 t light; 2,099 t standard; 2,216 t normal; 2,310 t full load

Dimensions: Length overall / water x beam x draught
393.77 ft / 383.86 ft x 35.27 ft x 12.73 ft (normal load)
120.02 m / 117.00 m x 10.75 m x 3.88 m

Armament:
6 - 5.12" / 130 mm guns (3x2 guns), 79.37lbs / 36.00kg shells, 1933 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1933 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1933 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 495 lbs / 224 kg
Shells per gun, main battery: 300
8 - 20.9" / 530 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 1.18" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 47,926 shp / 35,753 Kw = 35.00 kts
Range 1,500nm at 18.00 kts
Bunker at max displacement = 211 tons

Complement:
160 - 209

Cost:
£1.278 million / $5.110 million

Distribution of weights at normal displacement:
Armament: 53 tons, 2.4 %
Armour: 17 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 13 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,122 tons, 50.7 %
Hull, fittings & equipment: 728 tons, 32.8 %
Fuel, ammunition & stores: 246 tons, 11.1 %
Miscellaneous weights: 50 tons, 2.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
577 lbs / 262 Kg = 8.6 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.26
Metacentric height 1.6 ft / 0.5 m
Roll period: 11.7 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.75
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.450
Length to Beam Ratio: 10.88 : 1
'Natural speed' for length: 22.35 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 51
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: 27.23 ft / 8.30 m
- Forecastle (20 %): 20.83 ft / 6.35 m
- Mid (50 %): 20.83 ft / 6.35 m (11.15 ft / 3.40 m aft of break)
- Quarterdeck (15 %): 11.15 ft / 3.40 m
- Stern: 11.15 ft / 3.40 m
- Average freeboard: 16.51 ft / 5.03 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 186.4 %
- Above water (accommodation/working, high = better): 99.8 %
Waterplane Area: 8,970 Square feet or 833 Square metres
Displacement factor (Displacement / loading): 68 %
Structure weight / hull surface area: 40 lbs/sq ft or 193 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.16
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate



Latvian Minelayer laid down 1932

Displacement:
997 t light; 1,032 t standard; 1,123 t normal; 1,196 t full load

Dimensions: Length overall / water x beam x draught
246.67 ft / 239.50 ft x 32.81 ft x 10.01 ft (normal load)
75.18 m / 73.00 m x 10.00 m x 3.05 m

Armament:
2 - 3.94" / 100 mm guns (1x2 guns), 37.47lbs / 17.00kg shells, 1932 Model
Quick firing guns in a deck mount with hoist
on centreline forward
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts with hoists
on centreline, all aft, all raised mounts - superfiring
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 67 lbs / 31 kg
Shells per gun, main battery: 300

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 3,251 shp / 2,425 Kw = 18.00 kts
Range 2,400nm at 15.00 kts
Bunker at max displacement = 165 tons

Complement:
96 - 126

Cost:
£0.252 million / $1.008 million

Distribution of weights at normal displacement:
Armament: 8 tons, 0.8 %
Armour: 8 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 5 tons, 0.4 %
Machinery: 96 tons, 8.5 %
Hull, fittings & equipment: 435 tons, 38.7 %
Fuel, ammunition & stores: 126 tons, 11.2 %
Miscellaneous weights: 450 tons, 40.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,935 lbs / 877 Kg = 63.4 x 3.9 " / 100 mm shells or 0.9 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 1.0 ft / 0.3 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.14
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.500
Length to Beam Ratio: 7.30 : 1
'Natural speed' for length: 15.48 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 25
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: 19.69 ft / 6.00 m
- Forecastle (20 %): 15.75 ft / 4.80 m
- Mid (50 %): 15.75 ft / 4.80 m (9.19 ft / 2.80 m aft of break)
- Quarterdeck (15 %): 9.19 ft / 2.80 m
- Stern: 9.19 ft / 2.80 m
- Average freeboard: 12.78 ft / 3.90 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 78.3 %
- Above water (accommodation/working, high = better): 126.9 %
Waterplane Area: 5,235 Square feet or 486 Square metres
Displacement factor (Displacement / loading): 157 %
Structure weight / hull surface area: 48 lbs/sq ft or 233 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 3.50
- Overall: 1.06
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather


Latvian Patrol Boat laid down 1932

Displacement:
393 t light; 408 t standard; 454 t normal; 491 t full load

Dimensions: Length overall / water x beam x draught
204.02 ft / 196.85 ft x 24.61 ft x 6.56 ft (normal load)
62.18 m / 60.00 m x 7.50 m x 2.00 m

Armament:
2 - 2.99" / 76.0 mm guns (1x2 guns), 15.43lbs / 7.00kg shells, 1932 Model
Quick firing guns in a deck mount with hoist
on centreline forward
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts with hoists
on centreline, all aft, all raised mounts - superfiring
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 34 lbs / 16 kg
Shells per gun, main battery: 300

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 1,992 shp / 1,486 Kw = 18.00 kts
Range 2,000nm at 15.00 kts
Bunker at max displacement = 82 tons

Complement:
48 - 63

Cost:
£0.114 million / $0.457 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0.8 %
Armour: 5 tons, 1.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.6 %
Machinery: 59 tons, 12.9 %
Hull, fittings & equipment: 276 tons, 60.7 %
Fuel, ammunition & stores: 61 tons, 13.4 %
Miscellaneous weights: 50 tons, 11.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,261 lbs / 572 Kg = 94.2 x 3.0 " / 76 mm shells or 0.9 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 0.7 ft / 0.2 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.20
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.500
Length to Beam Ratio: 8.00 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 25
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: 19.69 ft / 6.00 m
- Forecastle (20 %): 14.76 ft / 4.50 m
- Mid (50 %): 14.76 ft / 4.50 m (8.20 ft / 2.50 m aft of break)
- Quarterdeck (15 %): 8.20 ft / 2.50 m
- Stern: 8.20 ft / 2.50 m
- Average freeboard: 11.88 ft / 3.62 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62.3 %
- Above water (accommodation/working, high = better): 143.8 %
Waterplane Area: 3,227 Square feet or 300 Square metres
Displacement factor (Displacement / loading): 224 %
Structure weight / hull surface area: 42 lbs/sq ft or 206 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.02
- Longitudinal: 7.38
- Overall: 1.25
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather


Latvian Submarine laid down 1932

Displacement:
300 t light; 310 t standard; 328 t normal; 342 t full load

Dimensions: Length overall / water x beam x draught
141.08 ft / 141.08 ft x 15.75 ft x 11.48 ft (normal load)
43.00 m / 43.00 m x 4.80 m x 3.50 m

Armament:
1 - 2.99" / 76.0 mm guns in single mounts, 15.43lbs / 7.00kg shells, 1932 Model
Quick firing gun in a deck mount with hoist
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 mounts with hoists
on centreline, all aft
1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine gun in deck mounts
on side, evenly spread
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 300
4 - 20.9" / 530 mm above water torpedoes, 4 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 1 shaft, 887 shp / 661 Kw = 15.00 kts
Range 2,500nm at 10.00 kts
Bunker at max displacement = 33 tons

Complement:
19 - 25

Cost:
£0.072 million / $0.286 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.6 %
Machinery: 26 tons, 8.0 %
Hull, fittings & equipment: 187 tons, 57.1 %
Fuel, ammunition & stores: 28 tons, 8.4 %
Miscellaneous weights: 85 tons, 25.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29 lbs / 13 Kg = 2.1 x 3.0 " / 76 mm shells or 0.1 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 0.3 ft / 0.1 m
Roll period: 11.5 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: 0.450
Length to Beam Ratio: 8.96 : 1
'Natural speed' for length: 11.88 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 25
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): 241.5 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 1,350 Square feet or 125 Square metres
Displacement factor (Displacement / loading): 215 %
Structure weight / hull surface area: 82 lbs/sq ft or 401 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.31
- Longitudinal: 3.13
- Overall: 3.17
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



Latvian Subchaser laid down 1932

Displacement:
100 t light; 106 t standard; 120 t normal; 131 t full load

Dimensions: Length overall / water x beam x draught
131.23 ft / 131.23 ft x 14.76 ft x 4.92 ft (normal load)
40.00 m / 40.00 m x 4.50 m x 1.50 m

Armament:
1 - 2.99" / 76.0 mm guns in single mounts, 15.43lbs / 7.00kg shells, 1932 Model
Quick firing gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mount
on centreline aft
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 19 lbs / 8 kg
Shells per gun, main battery: 300

Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 782 shp / 584 Kw = 17.00 kts
Range 2,400nm at 12.00 kts
Bunker at max displacement = 25 tons

Complement:
17 - 23

Cost:
£0.039 million / $0.154 million

Distribution of weights at normal displacement:
Armament: 2 tons, 1.7 %
Machinery: 23 tons, 19.3 %
Hull, fittings & equipment: 60 tons, 49.9 %
Fuel, ammunition & stores: 20 tons, 16.6 %
Miscellaneous weights: 15 tons, 12.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
214 lbs / 97 Kg = 16.0 x 3.0 " / 76 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 0.4 ft / 0.1 m
Roll period: 10.4 seconds
Steadiness - As gun platform (Average = 50 %): 54 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.440
Length to Beam Ratio: 8.89 : 1
'Natural speed' for length: 11.46 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 27
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: 11.48 ft / 3.50 m
- Forecastle (20 %): 7.87 ft / 2.40 m
- Mid (50 %): 7.55 ft / 2.30 m
- Quarterdeck (15 %): 7.22 ft / 2.20 m
- Stern: 8.20 ft / 2.50 m
- Average freeboard: 7.92 ft / 2.41 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 91.8 %
- Above water (accommodation/working, high = better): 98.4 %
Waterplane Area: 1,166 Square feet or 108 Square metres
Displacement factor (Displacement / loading): 154 %
Structure weight / hull surface area: 21 lbs/sq ft or 101 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.80
- Longitudinal: 7.68
- Overall: 1.01
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

The main mission of this ship is to guard the entrance to the Gulf of Riga, in conjunction with land-based air, coast artillery, and mines.

Latvian Armored Ship laid down 1934

Displacement:
7,517 t light; 7,977 t standard; 8,560 t normal; 9,026 t full load

Dimensions: Length overall / water x beam x draught
522.36 ft / 515.42 ft x 55.77 ft (Bulges 65.62 ft) x 17.72 ft (normal load)
159.22 m / 157.10 m x 17.00 m (Bulges 20.00 m) x 5.40 m

Armament:
6 - 9.21" / 234 mm guns (3x2 guns), 440.92lbs / 200.00kg shells, 1934 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 5.12" / 130 mm guns (4x2 guns), 79.37lbs / 36.00kg shells, 1934 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
8 - 1.46" / 37.0 mm guns (2x4 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in deck mounts with hoists
on centreline, evenly spread, all raised mounts - superfiring
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1934 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 3,318 lbs / 1,505 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.87" / 200 mm 262.47 ft / 80.00 m 9.19 ft / 2.80 m
Ends: 2.76" / 70 mm 252.62 ft / 77.00 m 9.19 ft / 2.80 m
Upper: 2.76" / 70 mm 262.47 ft / 80.00 m 8.20 ft / 2.50 m
Main Belt covers 78 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.66" / 220 mm 3.35" / 85 mm 5.91" / 150 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 2.76" / 70 mm, Conning tower: 6.69" / 170 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 22,747 shp / 16,969 Kw = 23.00 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 1,049 tons

Complement:
444 - 578

Cost:
£3.246 million / $12.984 million

Distribution of weights at normal displacement:
Armament: 365 tons, 4.3 %
Armour: 2,852 tons, 33.3 %
- Belts: 1,327 tons, 15.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 489 tons, 5.7 %
- Armour Deck: 977 tons, 11.4 %
- Conning Tower: 60 tons, 0.7 %
Machinery: 654 tons, 7.6 %
Hull, fittings & equipment: 3,576 tons, 41.8 %
Fuel, ammunition & stores: 1,043 tons, 12.2 %
Miscellaneous weights: 70 tons, 0.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,399 lbs / 6,531 Kg = 36.8 x 9.2 " / 234 mm shells or 2.8 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 2.7 ft / 0.8 m
Roll period: 16.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.56
Seaboat quality (Average = 1.00): 1.34

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.500
Length to Beam Ratio: 7.86 : 1
'Natural speed' for length: 22.70 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 52
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.92 ft / 7.90 m
- Forecastle (25 %): 16.40 ft / 5.00 m
- Mid (50 %): 13.45 ft / 4.10 m
- Quarterdeck (20 %): 13.12 ft / 4.00 m
- Stern: 14.76 ft / 4.50 m
- Average freeboard: 15.56 ft / 4.74 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 60.0 %
- Above water (accommodation/working, high = better): 115.3 %
Waterplane Area: 19,154 Square feet or 1,779 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 118 lbs/sq ft or 578 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.21
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Latvian Torpedo Boat laid down 1934

Displacement:
549 t light; 570 t standard; 634 t normal; 685 t full load

Dimensions: Length overall / water x beam x draught
229.56 ft / 223.75 ft x 21.00 ft x 11.81 ft (normal load)
69.97 m / 68.20 m x 6.40 m x 3.60 m

Armament:
2 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1934 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 87 lbs / 40 kg
Shells per gun, main battery: 150
4 - 21.7" / 550 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 0.08" / 2 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 16,971 shp / 12,660 Kw = 31.00 kts
Range 2,700nm at 15.00 kts
Bunker at max displacement = 115 tons

Complement:
63 - 82

Cost:
£0.346 million / $1.383 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1.4 %
Armour: 5 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 5 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 311 tons, 49.0 %
Hull, fittings & equipment: 215 tons, 33.9 %
Fuel, ammunition & stores: 85 tons, 13.4 %
Miscellaneous weights: 10 tons, 1.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
182 lbs / 83 Kg = 6.0 x 3.9 " / 100 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 0.6 ft / 0.2 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.66 : 1
'Natural speed' for length: 17.21 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.65 ft / 6.60 m
- Forecastle (20 %): 13.94 ft / 4.25 m
- Mid (50 %): 10.50 ft / 3.20 m
- Quarterdeck (15 %): 10.50 ft / 3.20 m
- Stern: 11.81 ft / 3.60 m
- Average freeboard: 12.42 ft / 3.79 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 171.3 %
- Above water (accommodation/working, high = better): 38.6 %
Waterplane Area: 3,001 Square feet or 279 Square metres
Displacement factor (Displacement / loading): 60 %
Structure weight / hull surface area: 25 lbs/sq ft or 122 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 6.42
- Overall: 0.64
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor

10 tons ASW gear