SP-500 



LENGTH: 2.9 m 



BEAM: 1.93 m 



HEIGHT: 1.35 m 



DRAFT: NA 



WEIGHT (DRY): 2.400 kg 



OPERATING DEPTH: 500 m 



COLLAPSE DEPTH: 3,000 m 



LAUNCH DATE: 1969 



HATCH DIAMETER: 0.4 m 



LIFE SUPPORT (MAX): 12 man-hr 



TOTAL POWER: 6.8 kWh 



SPEED (KNOTS): CRUISE 0.8/2 hr 



MAX 1.1/1.5 hr 



CREW: PILOTS 1 



OBSERVERS 



PAYLOAD: 45 kg 



PRESSURE HULL: Cylindrical shape steel with two hemispherical endcaps, ID of 1.03 m, length of 2.0 m. 



BALLAST/BUOYANCY; Launched negatively buoyant, 40-kg descent weight, 20-kg ascent weight. There are twenty-one 1-kg lead weights which 



may be dropped individually and 20 kg of water ballast for fine buoyancy control. 



PROPULSION/CONTROL: Water jets with reversible-directional nozzles and a 2-hp electric motor which drives water through a " Y" shaped valve 



for yaw control. Jets rotate 270^ in the vertical. 



TRIM: Up/down bow angles of ±30 can be attained by transporting 70 kg of mercury fore or aft. 



POWER SOURCE: Pressure-compensated, lead-acid batteries of 1 25 V at 55 amp-hr. 



LIFE SUPPORT: O2 is carried within the pressure hull and is automatically set and released into the hull. Cartridges containing IRS are used to 



absorb CO2- 



VIEWING: Three viewports, one large and two small. Large viewport on centerline is 1 20-mm OD with 80 field of view. Two smaller viewports are 



left and right of large port at 46 , they are 60-mm OD and allow 80° of view Atop and astern is a wide-angle viewport of 170° enabling viewing 



upward in the vertical. 



OPERATING/SCIENTIFIC EQUIPMENT: Gyrocompass, echo sounder (down/forward) pinger. UOC, cine cameras, radio, directional antennae. 



MANIPULATORS: One hydraulically-operated arm and claw capable of two degrees of freedom. 



SAFETY FEATURES: One 50-kg weight and mercury dump of 70 kg Inflatable hatch trunk, flares, smoke signal, portable scuba for emergency 



breathing. 



SURFACE SUPPORT: SOO. 



OWNER: Campagnes Oceanographique Francaises. Monaco. 



BUILDER: Sud Aviation, France. 



REMARKS: Inactive. Two similar vehicles. Also known as PUCE de MER or OCEAN FLEAS. 



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