underwater vehicles & equipment

S301 Prototype Swimmer Delivery Vehicle

S301 is a proof-of-concept prototype dry swimmer delivery submersible, built to assess the practicality of a vehicle of this format.

Fully operational, the vehicle is built to commercial standards and underwent initial dock trials in Plymouth during June 2009.


S301 Characteristics

  • Length: 6.3m
  • Beam: 2m
  • Weight: 12,500kg
  • Operating Depth: 250m
  • Power: 288V Battery System
  • Submerged Duration: Confidential
  • Submerged Speed: Confidential
  • Life Support: Exceeds ABS Standards
  • Payload Capacity: 8 man team (2 pilots and 6 swimmers and/or misc. other, i.e.: AUVs, ROVs, Inflatable boats, etc.