WesWorld

OFF-1 type Sloop
- 20 OFF 1-20 class

FF-1 type Sloop
- 10 FF 1-10 class

FF-11 type Sloop
- 20 FF 11-30 class

Osprey class Multi Purpose Sloop
- MP 1-5

Osprey class Minewarfare Sloops
- 4 MWF class

Multi purpose ship

MP-M: Minewarefare (sweeper, layer)
carries minesweeping gear or mines

MP-S: Seaplane carrier
1-2 seaplanes + extensive aircraft facilities

MP-R: Rescue Ship
2 launches + large accomodations

MP-E: Escort
heavier armament, 1 light seaplane

MP-F: Flagship
flag facilities, 1 light seaplane

MP-T: Tender, supply ship
extensive support facilities, can support aircraft, submarines, small patrol boats


HMAS Osprey, Australia Multi Purpose Ship laid down 1928

Displacement:
943 t light; 973 t standard; 1,246 t normal; 1,465 t full load

Dimensions: Length overall / water x beam x draught
290.00 ft / 290.00 ft x 32.00 ft x 10.00 ft (normal load)
88.39 m / 88.39 m x 9.75 m x 3.05 m

Armament:
1 - 4.70" / 119 mm guns in single mounts, 51.91lbs / 23.55kg shells, 1929 Model
Breech loading gun in deck mount
on centreline forward
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1929 Model
Breech loading guns in deck mounts
on centreline, evenly spread, 1 raised mount
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1929 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 62 lbs / 28 kg
Shells per gun, main battery: 120

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 4 shafts, 9,786 shp / 7,300 Kw = 24.00 kts
Range 7,200nm at 15.00 kts
Bunker at max displacement = 492 tons

Complement:
104 - 136

Cost:
£0.326 million / $1.305 million

Distribution of weights at normal displacement:
Armament: 8 tons, 0.6 %
Armour: 3 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 301 tons, 24.1 %
Hull, fittings & equipment: 482 tons, 38.7 %
Fuel, ammunition & stores: 303 tons, 24.3 %
Miscellaneous weights: 150 tons, 12.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,971 lbs / 894 Kg = 38.0 x 4.7 " / 119 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 1.37

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.470
Length to Beam Ratio: 9.06 : 1
'Natural speed' for length: 17.03 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 51
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: 15.00 ft / 4.57 m
- Forecastle (20 %): 12.90 ft / 3.93 m
- Mid (50 %): 12.90 ft / 3.93 m
- Quarterdeck (15 %): 9.00 ft / 2.74 m (12.90 ft / 3.93 m before break)
- Stern: 9.00 ft / 2.74 m
- Average freeboard: 12.48 ft / 3.80 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.5 %
- Above water (accommodation/working, high = better): 142.2 %
Waterplane Area: 6,020 Square feet or 559 Square metres
Displacement factor (Displacement / loading): 153 %
Structure weight / hull surface area: 45 lbs/sq ft or 222 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.91
- Longitudinal: 2.35
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

FF-1, Australia Frigate laid down 1929

Displacement:
867 t light; 906 t standard; 1,246 t normal; 1,518 t full load

Dimensions: Length overall / water x beam x draught
290.00 ft / 290.00 ft x 32.00 ft x 10.00 ft (normal load)
88.39 m / 88.39 m x 9.75 m x 3.05 m

Armament:
3 - 4.70" / 119 mm guns in single mounts, 51.91lbs / 23.55kg shells, 1929 Model
Dual purpose guns in deck mounts
on centreline ends, majority forward, 1 raised mount
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.89kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on centreline, all aft, all raised mounts - superfiring
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1929 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 165 lbs / 75 kg
Shells per gun, main battery: 150

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 9,786 shp / 7,300 Kw = 24.00 kts
Range 9,000nm at 15.00 kts
Bunker at max displacement = 612 tons

Complement:
104 - 136

Cost:
£0.359 million / $1.437 million

Distribution of weights at normal displacement:
Armament: 21 tons, 1.7 %
Armour: 9 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 9 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 301 tons, 24.1 %
Hull, fittings & equipment: 511 tons, 41.0 %
Fuel, ammunition & stores: 380 tons, 30.5 %
Miscellaneous weights: 25 tons, 2.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,070 lbs / 939 Kg = 39.9 x 4.7 " / 119 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.38
Metacentric height 1.6 ft / 0.5 m
Roll period: 10.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.16
Seaboat quality (Average = 1.00): 1.34

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.470
Length to Beam Ratio: 9.06 : 1
'Natural speed' for length: 17.03 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 52
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: 15.00 ft / 4.57 m
- Forecastle (20 %): 12.00 ft / 3.66 m
- Mid (50 %): 12.00 ft / 3.66 m
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 12.24 ft / 3.73 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.8 %
- Above water (accommodation/working, high = better): 132.3 %
Waterplane Area: 6,020 Square feet or 559 Square metres
Displacement factor (Displacement / loading): 156 %
Structure weight / hull surface area: 49 lbs/sq ft or 238 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 2.38
- Overall: 1.05
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

FF-11, Australia Frigate laid down 1932

Displacement:
701 t light; 730 t standard; 974 t normal; 1,168 t full load

Dimensions: Length overall / water x beam x draught
250.00 ft / 250.00 ft x 29.00 ft x 10.00 ft (normal load)
76.20 m / 76.20 m x 8.84 m x 3.05 m

Armament:
2 - 4.70" / 119 mm guns in single mounts, 51.91lbs / 23.55kg shells, 1932 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread
2 - 1.57" / 40.0 mm guns (1x2 guns), 1.95lbs / 0.88kg shells, 1932 Model
Anti-aircraft guns in deck mount
on centreline amidships
4 - 0.79" / 20.0 mm guns (2x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 109 lbs / 49 kg
Shells per gun, main battery: 150

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 9,396 shp / 7,009 Kw = 24.20 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 438 tons

Complement:
86 - 113

Cost:
£0.340 million / $1.360 million

Distribution of weights at normal displacement:
Armament: 14 tons, 1.4 %
Armour: 6 tons, 0.6 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 277 tons, 28.5 %
Hull, fittings & equipment: 394 tons, 40.5 %
Fuel, ammunition & stores: 272 tons, 28.0 %
Miscellaneous weights: 10 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,334 lbs / 605 Kg = 25.7 x 4.7 " / 119 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.31
Metacentric height 1.3 ft / 0.4 m
Roll period: 10.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.15
Seaboat quality (Average = 1.00): 1.21

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.470
Length to Beam Ratio: 8.62 : 1
'Natural speed' for length: 15.81 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 58
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: 15.00 ft / 4.57 m
- Forecastle (20 %): 12.00 ft / 3.66 m
- Mid (50 %): 12.00 ft / 3.66 m
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 11.92 ft / 3.63 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 104.7 %
- Above water (accommodation/working, high = better): 122.2 %
Waterplane Area: 4,703 Square feet or 437 Square metres
Displacement factor (Displacement / loading): 143 %
Structure weight / hull surface area: 45 lbs/sq ft or 219 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 3.35
- Overall: 1.05
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

A very long legged, Oceanic Escort. Can also be used as a minelayer. It has a long quarterdeck for either ASW equipment, mines, minesweeping gear, or planes/gyros.

OFF-1, Australia Oceanic Escort laid down 1942


Displacement:
1,108 t light; 1,175 t standard; 1,358 t normal; 1,505 t full load

Dimensions: Length overall / water x beam x draught
310.00 ft / 310.00 ft x 34.00 ft x 11.00 ft (normal load)
94.49 m / 94.49 m x 10.36 m x 3.35 m

Armament:
4 - 4.70" / 119 mm guns (2x2 guns), 51.91lbs / 23.55kg shells, 1942 Model
Dual purpose guns in deck mounts with hoists
on centreline, evenly spread
4 - 1.57" / 40.0 mm guns (1x4 guns), 1.95lbs / 0.89kg shells, 1942 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns - superfiring
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1942 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 217 lbs / 99 kg
Shells per gun, main battery: 320
4 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm - -

- Conning tower: 1.20" / 30 mm

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 2 shafts, 10,038 shp / 7,489 Kw = 24.20 kts
Range 5,200nm at 15.00 kts
Bunker at max displacement = 329 tons

Complement:
111 - 145

Cost:
£0.626 million / $2.503 million

Distribution of weights at normal displacement:
Armament: 27 tons, 2.0 %
Armour: 14 tons, 1.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 11 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.2 %
Machinery: 262 tons, 19.3 %
Hull, fittings & equipment: 665 tons, 48.9 %
Fuel, ammunition & stores: 250 tons, 18.4 %
Miscellaneous weights: 140 tons, 10.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,390 lbs / 1,084 Kg = 46.0 x 4.7 " / 119 mm shells or 0.8 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 1.2 ft / 0.4 m
Roll period: 12.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.48
Seaboat quality (Average = 1.00): 1.51

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.410
Length to Beam Ratio: 9.12 : 1
'Natural speed' for length: 17.61 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 46
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: 20.00 ft / 6.10 m
- Forecastle (15 %): 15.00 ft / 4.57 m
- Mid (40 %): 15.00 ft / 4.57 m
- Quarterdeck (35 %): 9.00 ft / 2.74 m (15.00 ft / 4.57 m before break)
- Stern: 9.00 ft / 2.74 m
- Average freeboard: 13.20 ft / 4.02 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 91.5 %
- Above water (accommodation/working, high = better): 124.1 %
Waterplane Area: 6,527 Square feet or 606 Square metres
Displacement factor (Displacement / loading): 152 %
Structure weight / hull surface area: 57 lbs/sq ft or 278 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.87
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Six minesweepers, built and paid for by Great Britain as a Defence Aid gift, delivered in pairs Q2/1949 to Q4/1949.

Ham Class, Great Britain Coastal Minesweeper laid down 1947

Displacement:
160 t light; 166 t standard; 181 t normal; 193 t full load

Dimensions: Length overall / water x beam x draught
144.26 ft / 140.00 ft x 19.50 ft x 4.60 ft (normal load)
43.97 m / 42.67 m x 5.94 m x 1.40 m

Armament:
2 - 1.57" / 40.0 mm guns (1x2 guns), 2.00lbs / 0.91kg shells, 1941 Model
Anti-aircraft guns in deck mount
on centreline forward
4 - 0.66" / 16.8 mm guns in single mounts, 0.14lbs / 0.06kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 5 lbs / 2 kg
Shells per gun, main battery: 800

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.50" / 13 mm 0.50" / 13 mm -

- Conning tower: 1.00" / 25 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 750 shp / 559 Kw = 15.63 kts
Range 3,600nm at 10.00 kts
Bunker at max displacement = 27 tons

Complement:
24 - 32

Cost:
£0.063 million / $0.252 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.3 %
Armour: 2 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.4 %
Machinery: 19 tons, 10.2 %
Hull, fittings & equipment: 89 tons, 49.2 %
Fuel, ammunition & stores: 21 tons, 11.7 %
Miscellaneous weights: 50 tons, 27.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
517 lbs / 235 Kg = 264.8 x 1.6 " / 40 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 0.5 ft / 0.2 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.504
Length to Beam Ratio: 7.18 : 1
'Natural speed' for length: 11.83 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 25
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 13.10 ft / 3.99 m
- Forecastle (20 %): 11.50 ft / 3.51 m
- Mid (50 %): 10.00 ft / 3.05 m
- Quarterdeck (15 %): 8.00 ft / 2.44 m
- Stern: 8.00 ft / 2.44 m
- Average freeboard: 10.00 ft / 3.05 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 67.7 %
- Above water (accommodation/working, high = better): 136.7 %
Waterplane Area: 1,756 Square feet or 163 Square metres
Displacement factor (Displacement / loading): 194 %
Structure weight / hull surface area: 23 lbs/sq ft or 114 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.79
- Longitudinal: 8.49
- Overall: 1.00
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

Class Names: Hexham, Tottenham, Wingham, Grantham, Parham, Rendelsham

Misc Weight
35 tons sweeping gear and handling equipment
5 tons Type 970 surface search RDF set
5 tons Type 190 mine hunting ASDIC
5 tons growth

Delivered Q2/1949, built and paid by Great Britain as Defence Aid.

Ley Class, Great Britain General Purpose Boat: Diving Tender/ Inshore Survey/ Local Patrol Craft laid down 1947

Displacement:
160 t light; 166 t standard; 181 t normal; 193 t full load

Dimensions: Length overall / water x beam x draught
144.26 ft / 140.00 ft x 19.50 ft x 4.60 ft (normal load)
43.97 m / 42.67 m x 5.94 m x 1.40 m

Armament:
2 - 1.57" / 40.0 mm guns (1x2 guns), 2.00lbs / 0.91kg shells, 1941 Model
Anti-aircraft guns in deck mount
on centreline forward
4 - 0.66" / 16.8 mm guns in single mounts, 0.14lbs / 0.06kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 5 lbs / 2 kg
Shells per gun, main battery: 800

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.50" / 13 mm 0.50" / 13 mm -

- Conning tower: 1.00" / 25 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 750 shp / 559 Kw = 15.63 kts
Range 3,600nm at 10.00 kts
Bunker at max displacement = 27 tons

Complement:
24 - 32

Cost:
£0.063 million / $0.252 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.3 %
Armour: 2 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.4 %
Machinery: 19 tons, 10.2 %
Hull, fittings & equipment: 89 tons, 49.2 %
Fuel, ammunition & stores: 21 tons, 11.7 %
Miscellaneous weights: 50 tons, 27.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
517 lbs / 235 Kg = 264.8 x 1.6 " / 40 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 0.5 ft / 0.2 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.504
Length to Beam Ratio: 7.18 : 1
'Natural speed' for length: 11.83 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 25
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 13.10 ft / 3.99 m
- Forecastle (20 %): 11.50 ft / 3.51 m
- Mid (50 %): 10.00 ft / 3.05 m
- Quarterdeck (15 %): 8.00 ft / 2.44 m
- Stern: 8.00 ft / 2.44 m
- Average freeboard: 10.00 ft / 3.05 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 67.7 %
- Above water (accommodation/working, high = better): 136.7 %
Waterplane Area: 1,756 Square feet or 163 Square metres
Displacement factor (Displacement / loading): 194 %
Structure weight / hull surface area: 23 lbs/sq ft or 114 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.79
- Longitudinal: 8.49
- Overall: 1.00
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

Class Names: Kearsley

Misc Weight
35 tons survey equipment, diving gear or 6x DC, includes workboat and davits
5 tons Type 970 surface search RDF set
5 tons Type 190 mine hunting/shallow water ASDIC
5 tons growth