a deep going version

For highly dedicated offshore and deep sea operations Ocean Submarine provides a tailor made diving solution that easily resists up till 90 bars of water pressure giving a diving platform up to 3.000 feet. To achieve that, our deep going NEYK has an extra pressure body consisting of six spherical interlinked compartments. The deep going version of the NEYK can be built completely custom made to meet the most demanding specifications. Its remarkable manoeuvrability is another main asset of this compact but highly dedicated underwater vessel.

The deep going versions of our NEYK are totally different from our mono pressure hull submarines. The six high pressure resistant interlinked chambers are separated by watertight hatches or air locks that separate each chamber from the other. Every dome has a single purpose layout for instance for navigating, diving, propulsion and research. Another key feature is the extremely good hoovering function of the sub. Providing an underwater working platform that fully computerized stays at one place within parts of centimetres.

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The deep going NEYK by Ocean Submarine for offshore and scientific use has a multihull configuration. The outer hull provides the low drag shape of the vessel and stores the mechanical controls for diving fins, rudders and bow and aft thrusters. Also the propulsion pots are attached to the outer hull. The inner hull consists of six interlinked spherical fully pressurised domes. Three of them (aft to front) have fixed functions as storage room for oxygen and air control main engine room and command centre for the navigator and the two pilots. The other three spheres can be used for dedicated tasks.

The deep going heavy duty version of NEYK is highly impact resistant what makes it a rugged versatile under water platform for any offshore tasks and scientific and or historical exploration. The vessel can be provided with a saturating diving chamber with a hatch to the outside of the sub that can accompany up to eight divers at a time. The outside hatch can also connect with another platform for maintenance issues or act as a rescue hatch. The other large sphere can be used for actual research or living quarters. The sphere in the bow can be equipped with a second large acrylate dome for an excellent view. Here one or two operators can work a hydraulic arm or other specific equipment. An optional auxiliary under fuselage can contain extra diesel tanks, auxiliary battery packs or special equipment.

Built modularly, the NEYK is very easy to transport. The vertical diving rudders and conning tower can be removed within an hour so the submarine can be airlifted for worldwide deployment.

The bow section is not welded but bolted to the hull and can vary to order. For private use it standard is equipped with a large Acrylate dome for excellent view.


Another revolutionary feature is the possibility to deploy three retractable wheels with hydraulic propulsion. This gives the submarine the possibility to drive up any elevations up to 7 degrees such as ramp. So you can start and end your adventures journeys from land.


To make the most beautiful underwater pictures and movies, or just to stay at one spot and enjoy the view outside, the hoovering capabilities of the NEYK are second to none. This is because two revolutionary placed vertical thrusters in the dome on top of the conning tower.

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<strong>Viewport</strong><br>The large spherical top viewport provides the pilot with excellent all-round visibility
The large spherical top viewport provides the pilot with excellent all-round visibility
THE luxury


What way you give your deep going NEYK submarine its specialized purpose the main features stay the same. Our excellent design always guarantees the highest achievable comfort for your crew to accomplish their job at hand. That starts with the revolutionary steering design that makes the vessel the most agile submarine ever made. All integrated electronical control and monitoring systems makes the submarine completely operated by wire and easy to handle with only two joysticks. Manoeuvring is very precise and predictable. The NEYK can turn on its keel within seconds or hoover fully automated within parts of a centimetre at one spot.

For all users the great manoeuvrability must be a real revelation. Due to the two separately placed main engines that separately can be reversed, four vertical diving rudders and a main rudder, a bow and a stern thruster the whole submarine can turn on a dime in only seconds. Hoovering is really brought to the next level. The NEYK can stay actively in one place by the use of two extra vertical thrusters placed in the dome on top of the tower that can create the necessary up and downforce. This process can be completely computerised at pre-set parameters.

The deep sea explorer and offshore maintenance or rescue crew might find the extremely ruggedness of the vessel very comforting. They have a real use for the large acrylate dome that gives them a perfect sight on ‘what happens on the other side of the glass’. The excellent automated hoovering function makes that the crew completely can concentrate at the work at hand. They might find the possibilities of all kinds of adaptions Ocean Submarine can provide beyond their expectations. Think about robotized arms with various tools, or the use of ROV’s, a high pressure saturation chamber and an extra hatch to let divers in and out under water. That hatch also be used as a maintenance door for underwater installations of be of great value in rescuing other submarine crews if necessary.

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Power and propulsion

The main propulsion of the NEYK is provided by two electrical nearly noiseless motors that are placed in two pods outside the pressure hull. The pods are specially designed to give the propellers more efficiency up to five percent and provide extra cooling at low speed. The revolutionary design also provides low drag and a very low underwater noise signature.

The electrical power is generated by a diesel engine. The engine provides the power for the electrical main propulsion and bow, stern and vertical thrusters when surfaced or at snorkelling depth and charges the batteries.

Ocean Submarine provides the diesel driven Rolls-Royce 4000 U83 generator as a standard. Other makes of engine can also be built in. For the electrical propulsion we use 100 kW motors as a standard. However, more powerful engines or more recreational types can be ordered.

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Extra features

Standard every NEYK submarine comes fully navigable with all necessary navigation systems, a fully integrated periscope, systems for surface and under water communication and safety equipment. But our NEYK submarine is a very flexible diving platform. Every vessel is unique and can be rigged with almost every piece of equipment to meet even the most demanding customer requirements. From adaptions for almost any offshore maintenance, deep sea rescue facilities, robotized arms, pressure chambers and whatever is necessary to fulfil the tasks at hand. Ocean Submarine also provides the necessary training and certification of the crew.

Principal specifications

Overall length: 19.340m (63 feet)
Optional extension: 2.300m (7 feet)
Overall breadth: 7.000m (23 feet)
Overall height: 5.545m (18 feet)
Diameter hull: 3.000m (10 feet)
Diameter main hatch: 0,60 m*


Surfaced: 90.920-100 metric tons
Depending on length
103.320-108 metric tons
Diving capacity:
Depending on version
100-900 metres (300-1000 feet)
Power generation:
Other specs possible
218 kW diesel engine


Two electrically driven propellors:
Other specs possible
100- 200 kw
Max speed depending on type of engine and 100% output
Military versions can differ
5-11 nKT
Military versions can differ
7-15 nKT

Steering and Manoeuvering

In water:

  • Main steering by 4 independent operational vertical rudders fore and aft with 30º elevation (full up to full down)
  • Two addional bow and rear thrusters 10kW. Two vertical thrusters of 5kW. Main engines independent reversible

On land:

  • Complete undercarriage with hydraulic propulsion on each wheel. Climbing angle 7º max.
  • Maximum dive angle: 30º
  • Max. payload depending on version: 5.8 tons
we combine fine Dutch engineering
with the best equipment worldwide

Ocean Submarine

Cayman Islands
George Town

T  +31 (0)85-06 56 230
M +31 (0)6-12 67 89 40
E info@oceansubmarine.com

The ultimate control