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Fleet list

8xA class Frigates (formerly destroyers)

A-D class, Atlantis Destroyer re-rated Frigate laid down 1917 (Engine 1933), scrapped in 1948

Renamed and designated the "Aves" class frigates

Avocet F-101 (ex-Able), Bittern F-102 (ex-Archer), Caracara F-103 (ex-Arab), Drongo F-104 (ex-Arrow), Egret F-105 (ex-Agile), Frigatebird F-106 (ex-Adler), Gannet F-107 (ex-Avenger), Hornbill F-108 (ex-Attack)

Displacement:
1,083 t light; 1,150 t standard; 1,379 t normal; 1,563 t full load

Dimensions: Length overall / water x beam x draught
330.63 ft / 325.00 ft x 32.00 ft x 11.00 ft (normal load)
100.78 m / 99.06 m x 9.75 m x 3.35 m

Armament:
6 - 3.95" / 100 mm guns (3x2 guns), 30.81lbs / 13.98kg shells, 1933 Model
Breech loading guns in deck mounts with hoists
on centreline, evenly spread, 1 raised mount
Aft Main mounts separated by engine room
4 - 1.58" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1933 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread, all raised mounts
8 - 0.79" / 20.0 mm guns (2x4 guns), 0.24lbs / 0.11kg shells, 1933 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1933 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 195 lbs / 88 kg
Shells per gun, main battery: 350

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm 0.79" / 20 mm 1.00" / 25 mm

- Conning tower: 1.57" / 40 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 8,500 shp / 6,341 Kw = 23.29 kts
Range 6,000nm at 15.00 kts
Bunker at max displacement = 413 tons

Complement:
113 - 147

Cost:
£0.169 million / $0.677 million

Distribution of weights at normal displacement:
Armament: 24 tons, 1.8 %
Armour: 18 tons, 1.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 14 tons, 1.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.3 %
Machinery: 248 tons, 18.0 %
Hull, fittings & equipment: 753 tons, 54.6 %
Fuel, ammunition & stores: 297 tons, 21.5 %
Miscellaneous weights: 40 tons, 2.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,524 lbs / 1,145 Kg = 81.9 x 4.0 " / 100 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.22
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.36
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.422
Length to Beam Ratio: 10.16 : 1
'Natural speed' for length: 18.03 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 28
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: 21.00 ft / 6.40 m
- Forecastle (30 %): 20.00 ft / 6.10 m
- Mid (40 %): 20.00 ft / 6.10 m (10.00 ft / 3.05 m aft of break)
- Quarterdeck (10 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 14.12 ft / 4.30 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 77.6 %
- Above water (accommodation/working, high = better): 127.7 %
Waterplane Area: 6,493 Square feet or 603 Square metres
Displacement factor (Displacement / loading): 184 %
Structure weight / hull surface area: 58 lbs/sq ft or 283 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.02
- Longitudinal: 3.70
- Overall: 1.16
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

15 tons for DC's and equipment
9 tons for sonar
5 tons for 2xType 1 ahead throwing rocket round mounts
11 tons for future growth