PLARK - Project 661 "Upas Tree"
| LOA | |
| BOA | |
| Draft to DWL | |
| Displacement: above-water | |
| Displacement: underwater | |
| Full speed. surfaced | |
| Full speed. Underwater | |
| Maximum diving depth | |
| Working depth of immersion | |
| Crew all (ofitser.) | |
| Endurance |
PLAT Project 661 (enlarged diagram)



