Blue Ridge vs Polnocny
Blue Ridge vs Polnocny at a glance — displacement 19,176 vs 834 tons, length 193 vs 73 m, speed 23 vs 18 knots, crew 598 vs 41.
Specifications
|
Blue Ridge |
Polnocny |
| Origin |
🇺🇸 United States |
🇵🇱 Poland |
| Category |
Amphibious vessel |
Amphibious vessel |
| Type |
Amphibious command and control ship |
Tank landing ship |
| Manufacturer |
Philadelphia Naval Shipyard |
Stocznia Północna |
| Year introduced |
1970 |
1967 |
| Number built |
2 units |
108 units |
| Estimated unit price |
NA |
NA |
| Displacement |
19,176 tons |
834 tons |
| Maximum speed |
23.0 knots |
18.0 knots |
| Range |
13,000 nm at 16 knots |
1,000 nm at 18 knots |
| Length |
193.0 m |
73.0 m |
| Beam |
33.0 m |
9.6 m |
| Crew |
598 |
41 |
Armament & Systems
|
Blue Ridge |
Polnocny |
| Armament |
- 2 × Phalanx CIWS
- 2 × Mark 38 25 mm machine gun system
- 2 × twin Mark 33 3"/50 caliber guns (removed)
- 2 × Mark 25 launchers (removed)
|
- Strela 2(SA-N-5) surface-to-air missile system (4 launchers)
- 30 mm AK-230 air defence gun (2 or 4 twin mounts)
- 140 mm Ogon 18-barreled rocket launcher(2)
|
| Propulsion |
Two boilers, one geared turbine, one shaft; 22,000 hp (16,000 kW) |
2 Soviet Kolomna 40-D two stroke diesels, 2 shafts, 4,400 bhp |
Detailed Comparison
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Which has greater displacement, the Blue Ridge-class or Polnocny-class?
The Blue Ridge-class has greater displacement at 19,176 tons compared to the Polnocny-class's 834 tons.
Which is faster, the Blue Ridge-class or Polnocny-class?
The Blue Ridge-class is faster with a maximum speed of 23 knots compared to the Polnocny-class's 18 knots.
Which has longer range, the Blue Ridge-class or Polnocny-class?
The Blue Ridge-class has a longer range at 13,000 nautical miles compared to the Polnocny-class's 1,000 nautical miles.
Which is longer, the Blue Ridge-class or Polnocny-class?
The Blue Ridge-class is longer at 193.0 meters compared to the Polnocny-class's 73.0 meters.
How many crew members do the Blue Ridge-class and Polnocny-class have?
The Blue Ridge-class has a larger crew complement of 598 compared to the Polnocny-class's 41 crew members.
Which has been built in greater numbers, the Blue Ridge-class or Polnocny-class?
The Polnocny-class has been built in greater numbers with 108 vessels compared to 2 vessels of the Blue Ridge-class.