A one-atmosphere submersible designed for all commercial activities, scientific research, underwater filming, search and salvage. Crew: two or three. Operational Depth: 85m. Weight: 2.8 tons. Length 4,45 m. Width 1,95 m. Height 2,25 m. Reserve of energy: 5 hours. Life support: 72 hour. Speed: 2,5 knots. Communications: VHF radio and underwater telephone. 2 x compasses, depth sensor, echo-sounder, pinger, flash-strobe. External equipment includes manipulator (6 function), Box hydraulic for samples (specimens), Scissors (hydraulic), and 4 x external lights. Support equipment includes a lifting-frame with beam, and three phase electric winch (5ton SWL), maintenance/storage workshop. 120 cans with regeneration plates ( one can - 64 human/hour life support), full technical documentation.