PC-8B 



LENGTH: 18.5 ft 



BEAM: 5.75 ft 



HEIGHT: 6.75 ft 



DRAFT: 5 ft 



WEIGHT (DRY): 5.5 tons 



OPERATING DEPTH: 800 ft 



COLLAPSE DEPTH: 1,800 ft 



LAUNCH DATE: 1971 



HATCH DIAMETER: 24 in. 



LIFE SUPPORT (MAX): 48 man-hr 



TOTAL POWER: 22 kWh 



SPEED (KNOTS): CRUISE 2/8 hr 



MAX 4/2 hr 



CREW: PILOTS 1 



OBSERVERS 1 



PAYLOAD: 500 lb 



PRESSURE HULL: Cytinder witti hemispherical bow and conical aft section composed of low temperature carbon steel 3.5-ft diam., 13.7-ft length, 



and 3/8 in. thick. 



BALLAST/BUOYANCY: Two main free-flooding ballast tanks straddle the pressure hull and are blown with compressed air. One variable ballast 



tank (160-lb capacity) in the pressure hull is free-flooding and pumped dry. 



PROPULSION/CONTROL: All propulsion is provided by a stern-mounted, reversible propeller which is driven by a 7.5-hp, DC motor within the 



pressure hull. Electro-hydraulic rudder and dive plane. 



TRIM: No system provided. 



POWER SOURCE: Lead-acid baneries are carried within two pressure-resistant pods beneath the hull and provide 24 and 120 VDC. 



LIFE SUPPORT: O2 flasks are carried externally (four ea, of 72-ix^ cap., 2,250 psi). CO2 is removed by LiOH. Monitors for O2 and CO2, altimeter. 



Emergency breathing provided by two scuba regulators drawing off the compressed air for deballasting. 



VIEWING: Plastic bow dome, 2.25 in. thick (114° spherical segment). Eight (Bin. OD, 6V4-in. ID, 2 in. -thick) viewports in conning tower and one of 



the same dimensions in the hatch. 



OPERATING/SCIENTIFIC EQUIPMENT: UQC, CB radio, scanning sonar, compass, automatic pilot, depth gage. 



MANIPULATORS: One with three degrees of freedom. 



SAFETY FEATURES; Droppable weight (450 lb), MBT's can be blown at operating depth. Fire extinguisher. Life vests. 



SURFACE SUPPORT: SOO. 



OWNER: Northern Offshore Ltd., London. 



BUILDER: Perry Submarine Builders, Riviera Beach, Fla. 



REMARKS: Operating. 



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