4M Submersible for sale

Specifications
General -
Depth : 3,280ft / 1,000m
Payload : 1,760lb / 800kg
Crew : Pilot + 2 Pax
Speed : 3kts
Endurance : 12 hours
Main Ballast : 8,030lb / 3,650kg
Variable Ballast : 396lb / 180kg