Manual over-ride to all surfacing commands.

160kg drop weight operated by hand pump.

Twin system for Main Buoyancy Tanks.

Complies or exceeds ABS and Germanischer Lloyds.

Releasable Locator Buoy on 200m 1500kg line.

10 channel underwater comms 3 km range.

Twin drives in separate compartments.

BIBS (Built in Breathing System)

Emergency bladder MBT back-up.

Twin CO2 scrubber units.

72 hour life support.

40hp main propulsion if required.