| For 
ordinary operations in areas of the seas with shallow depths, diving vessels of 
various displacement were used in the Navy of the USSR. The diving vessel of Project 
535 was larger than the previous Project 522 and equipped with 2 diving complexes 
for depth max 60 meter with pressure chamber. Diving vessels of this project served 
on all fleets of the USSR and later - the Russian Federation. In total, more than 
30 vessels of this type were built for the Navy.  Seagoing Diving Vessel 
VM-154 laid down at the Gorokhovets Shipyard (yard No.113), commissioned in December 
1974 and was assigned to the Black Sea Fleet Fleet. Now in service. | Specifications |   | Displacement (tons): |   | Standard: | 279 |   | Full load: | 298 |   | Dimensions (m): |   
| Length: | 40,9 |   
| Beam: | 8,1 |   | Draft: | 2,07 |   | Speed (knots): | 12,5 |   | Range: | 1500 
nmi (10 knots) |   | Autonomy (days): | 10 |   | Propulsion: | 2x300 hp 3D12 diesels, 2 fixed pitch propellers, 2x50 kW diesel generators, 1x25 
kW diesel generator |  | Spec. equipment: | 2 diving complexes (1 pressure chamber)  60 m |   | Complement: | 30 | 
 |