A Project 21770 boat by her performance such as multifunctionality, survivability, operational cost-effectiveness, maintainability is much superior to all boats of her class in the Russian Navy as well as modern foreign equivalents.
DESIGNATION
- Providing rescue operations and towing of floating objects;
- Ensuring underwater technical and diving works of the mother ship;
- Ensuring daily activity of the mother ship while the latter being on a mission or anchored, or at roadstead, or in a naval base.
- Ensuring underwater technical and diving works of the mother ship;
- Ensuring daily activity of the mother ship while the latter being on a mission or anchored, or at roadstead, or in a naval base.
BASIC PERFORMANCE
Displacement (unloaded), kg | 5160 |
Full displacement, kg | 6640 |
Length overall, m | 9,12 |
Metal hull length, m | 8,99 |
Ширина наибольшая, м | 3,22 |
Beam overall, m | 2,85 |
Draft (at full displacement), m | 0,74 |
Speed: | |
Maximum (at normal displacement), kt | 32 |
Economical, kt | 22-25 |
Range, nm | 100 |
Seakeeping, sea state | |
Safe navigation | 5 (h3%=3.5m) |
Launch and recovery operations | 4 (h3%=2.0m) |
Endurance, hours | 24 |
Towing pull, kg | 2000 |
Maximum cargo capacity, kg | 900 |
Crew, persons | 2 |
Passengers, persons | 10 |
MAIN MACHINERY
A double-shaft diesel and gearbox propulsion unit comprising
- main engines: 2 x 232 kW diesels
- propulsors: 2 x waterjets.
Electrical power system: 12VDC (accumulator batteries).
- main engines: 2 x 232 kW diesels
- propulsors: 2 x waterjets.
Electrical power system: 12VDC (accumulator batteries).