Isla de Mindanao, Philippine Cargo Liner laid down 1943
Displacement: 4,840 t light; 5,156 t standard; 15,801 t normal; 24,317 t full load
Dimensions: Length overall / water x beam x draught
457.16 ft / 440.03 ft x 59.81 ft x 30.02 ft (normal load) [139.34 m / 134.12 m x 18.23 m x 9.15 m]
Machinery:
Diesel Internal combustion motors, Geared drive, 2 shafts, 19,432 shp / 14,497 Kw = 19.50 kts
Range 61,000nm at 16.00 kts (see notes)
Bunker at max displacement = 19,162 tons (see notes)
Complement: 70 ? 92 (see notes)
Cost: £1.569 million / $6.274 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 502 tons, 3.2 %
Hull, fittings & equipment: 2,938 tons, 18.6 %
Fuel, ammunition & stores: 10,961 tons, 69.4 % (see notes)
Miscellaneous weights: 1,400 tons, 8.9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 7,493 lbs/3,398 kg = 69.4 x 6?/152mm shells or 1.1 torpedoes (see notes)
Stability (Unstable if below 1.00): 1.50
Metacentric height 4.6 ft / 1.4 m
Roll period: 11.7 seconds
Steadiness - As gun platform (Average = 50 %): 99 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.98
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.700
Length to Beam Ratio: 7.36 : 1
'Natural speed' for length: 20.98 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 22.00 degrees
Stern overhang: 5.00 ft / 1.53 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.02 ft / 9.15 m
- Forecastle (20 %): 18.50 ft / 5.64 m
- Mid (50 %): 17.55 ft / 5.35 m
- Quarterdeck (15 %): 18.50 ft / 5.64 m
- Stern: 19.03 ft / 5.80 m
- Average freeboard: 19.16 ft / 5.84 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 21.7 %
- Above water (accommodation/working, high = better): 102.9 %
Waterplane Area: 21,094 Square feet or 1,960 Square metres
Displacement factor (Displacement / loading): 657 %
Structure weight / hull surface area: 83 lbs/sq ft or 408 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 1.97
- 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
Excellent seaboat, comfortable, rides out heavy weather easily
Notes:
True range 12,000 nm on bunkers of 3,884 tons. Additional bunkers used to sim low-stowed cargo of 10,000 tons
Breakdown of miscellaneous weight:
400 tons reserved for cargo handling equipment
1,000 tons represents provision for deck cargo
Crew complement and survivability values reduced by 90% to account for commercial vice naval service.