Private submarine AQUARIUS

Personnel - one pilot, two passengers. Operating depth - 50M or 100M, (160 328ft). Length-5M, width-2.5M, height-2.3M, (16.4 x 8.2 x 7.5ft). Weight - approximately 3800kg (8398lbs). Main battery capacity 22kwh. Secondary battery 24V 72 amp hour. Emergency primary lithium battery. Integrated thrusters 9 No. Speed 1 to 7 knots. Surface buoyancy reserve 3000kg, (6630lbs). Water trim 200kg, (442lbs). Outer hull GRP. Pressure vessels carbon steel, hot zinc sprayed and 2 part polyurethane. Hatch surfaces - stainless steel. Welded in penetrators stainless steel. Viewports 4 No 3 x 600, (23.6 inches), 1 x 500 (19.7 inches) flanged hemispherical to PVHO1. Ballast and control air 4 x 15L 230 bar steel bottles. Lead drop and trim 250kg, (552lbs). Hatch diameter 545mm. (21.5 inches) Freeboard below hatches 760mm, (30 inches). External lights. All systems monitored and controlled by Mitsubushi PLC (Programmable Logic Controller) with modem for remote diagnostic and programme adjustment for individual missions and training.