Permit vs Romeo
Overview
The Permit and the Romeo are both Submarine classes.
The Permit displaces 3,810 tons — 2.6x the Romeo's 1,475 tons. The Permit reaches 15 knots vs 15 knots for the Romeo. Operational range is 99,999 nautical miles for the Permit vs 9,000 for the Romeo. The Permit carries a crew of 112 vs 54 for the Romeo. Submerged displacement is 4,369 tons for the Permit vs 1,830 tons for the Romeo.
The Permit was produced in 14 units vs 133 for the Romeo. The Permit was commissioned in 1961, 4 years after the Romeo (1957).
| United States nuclear submarine, introduced in 1961, displaced 3,810 tons. | |
| Origin | 🇺🇸 United States |
| Category | Submarine |
| Type | Nuclear submarine |
| Manufacturer | Portsmouth Naval Shipyard |
| Year introduced | 1961 |
| Number built | 14 units |
| Estimated unit price | NA |
| Displacement | 3,810 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 84.9 m ◉ |
| Beam | 9.6 m ◉ |
| Crew | 112 ◉ |
| Max depth | 400 m |
| Propulsion | 1 S5W PWR, 2 steam turbines, 15,000 shp (11 MW), 1 shaft |
| Armament |
|
| Displacement | 1,475 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | 9,000 nm at 9 knots ◉ |
| Length | 76.6 m ◉ |
| Beam | 6.7 m ◉ |
| Crew | 54 ◉ |
| Max depth | NA |
| Propulsion | Two diesels delivering 2.94 MW (4000 shp) with two electric motors driving two shafts. |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Permit-class or Romeo-class?
The Permit-class has greater displacement at 3,810 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Permit-class or Romeo-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Permit-class's 15 knots.
Which has longer range, the Permit-class or Romeo-class?
The Permit-class is nuclear-powered with unlimited range, while the Romeo-class has a range of 9,000 nautical miles.
Which is longer, the Permit-class or Romeo-class?
The Permit-class is longer at 84.9 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Permit-class and Romeo-class have?
The Permit-class has a larger crew complement of 112 compared to the Romeo-class's 54 crew members.
Which has been built in greater numbers, the Permit-class or Romeo-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 14 vessels of the Permit-class.