Arktika class
Arktika class is a nuclear-powered icebreaker operated by Rosatomflot, powered by 2 OK-900A of about 171 MWt each. Retired.
The Soviet icebreaker fleet. Arktika became the first surface vessel to reach the North Pole in 1977. Most are now retired, with life extensions granted to the last of them.
Propulsion
| Reactor | OK-900A |
|---|---|
| Reactors per vessel | 2 |
| Thermal output | 171MWt each |
| Fuel enrichment | not disclosed |
| Refuelling | Every 3–4 years |
Vessel
| Category | icebreaker |
|---|---|
| Role | civil |
| Operator | Rosatomflot |
| Country | Russia |
| Vessels in class | 6 |
| In service from | 1975 |
| Status | Retired |
Other icebreakers
| Class | Enrichment | Status |
|---|---|---|
| Lenin | - | Retired |
| Project 10510 Lider | - | Under construction |
| Project 22220 (LK-60) | HALEU | Operating |
| Taymyr class | HALEU | Operating |
Sources
- World Nuclear Association, Nuclear-Powered Ships · retrieved 2026-09-07