Vogo_SDV-1000W

Vogo SDV-1000W submersible boat - Covert Shores
SDV-1000W submersible boat
Flag South Korea gained awareness of the utility of submersible boats for special forces and agent insertion / extraction because North Korea has used them against the South. Several have been captured or sunk & retrieved over the years and South Korean Special Operations Command even operated a copy of a basic North Korean design. Additionally there was a good awareness of the British Subskimmer design which uses a RIB (Rigid Inflatable Boat) hull, unlike the more conventional North Korean designs. The South Korean SDV-1000W therefore combines aspects of both families, together with some features which are peculiar to the Vogo design.

Vogo SDV-1000W submersible boat - Covert Shores
The prototype SDV-1000W under construction at Vogo Engineering. Note the pop-out thrusters for underwater propulsion and steering. Unlike the early model SubSkimmers, the inflatable tube is in a hard collar which improves underwater hydrodynamics (the most recent SubSkimmers also feature this).

Vogo SDV-1000W submersible boat - Covert Shores

The SDV-1000W is a shore-to-shore platform which can travel on the surface for up to 150 nautical miles without refueling. The last portions of the mission, as it enters the discrete zone within radar range of the target coast, is conducted with the boat submerged. This is either with its snorkel (thus it can still run the -diesel engine), or running on batteries for increased stealth.

When submerged it is a wet sub, with the crew having to wear diving gear. There is a large-capacity onboard air system so the divers can conserve their personal breathing apparatus. This allows them to exit the craft and swim ashore. In some circumstances the SDV-1000W can simply be run up the beach like a landing craft.


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Like the latest generation of high performance special forces surface craft, the crew and passengers are seated on shock-absorbing seats capable to supporting them during hull drops of 8G. This is important to prevent injuries during high speed travel and is likely a factor in allowing the SDV-1000W to have a significantly higher surface speed than some other submersible boat designs.

Vogo SDV-1000W submersible boat - Covert Shores

Specification
Length: 13m
Beam: TBC
Height: 2.4m
Displacement: 4.5 tons surfaced Operating depth: 20m
Speed: 40kt (max, surfaced), 8kt (snorkel), 4kt (submerged, electric)
Range: 150nm on surface, 25nm submerged
Crew: 10
Payload: 1.5 tons
Additional: INS, DVL, DGPS, ECDIS

Vogo SDV-1000W submersible boat - Covert Shores
Vogo SDV-1000W submersible boat - Covert Shores
Vogo SDV-1000W submersible boat - Covert Shores

Improved model
An improved version has been built, with a distinctive cockpit glazing and more rounded upper fuselage.
Vogo SDV-1000W submersible boat - Covert Shores
Vogo SDV-1000W submersible boat - Covert Shores
Vogo SDV-1000W submersible boat - Covert Shores
Vogo SDV-1000W submersible boat - Covert Shores
Vogo SDV-1000W submersible boat - Covert Shores


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