GlobalMilitary.net Open-source military intelligence Updated daily
Head-to-head

Permit vs Skipjack

Change comparison vs
Specifications
Permit Skipjack
Origin 🇺🇸 United States 🇺🇸 United States
Category Submarine Submarine
Type Nuclear-powered attack submarine Nuclear-powered attack submarine
Manufacturer Portsmouth Naval Shipyard General Dynamics Electric Boat
Year introduced 1961 1959
Number built 14 units 6 units
Estimated unit price NA $40 million
Displacement 3,810 tons 3,124 tons
Maximum speed 15.0 knots 15.0 knots
Range Unlimited Unlimited
Length 84.9 m 76.7 m
Beam 9.6 m 9.6 m
Crew 112 93
Max depth 400 m 210 m
Performance Radar Chart
Armament & Systems
Permit Skipjack
Armament
  • 4 × 21 inch (533 mm) torpedo tubes amidships
  • 12-18 × Mark 37 torpedoes (later Mark 48s)
  • 4-6 × UUM-44 SUBROC anti-submarine missiles
  • 4 × UGM-84 Harpoon anti-ship missiles
  • 6 × 21-inch (533 mm) torpedo tubes (bow)
  • 24 × Mark 37, Mark 14, Mark 16, Mark 45 ASTOR nuclear, and/or Mark 48 torpedoes
Propulsion 1 S5W PWR, 2 steam turbines, 15,000 shp (11 MW), 1 shaft 1 S5W reactor, geared steam turbines (15,000 shp (11,000 kW)), 1 shaft

Overview

The Permit and the Skipjack are both Submarine classes.

Displacement is 3,810 tons for the Permit vs 3,124 tons for the Skipjack. The Permit reaches 15 knots vs 15 knots for the Skipjack. Operational range is 99,999 nautical miles for the Permit vs 99,999 for the Skipjack. The Permit carries a crew of 112 vs 93 for the Skipjack. Submerged displacement is 4,369 tons for the Permit vs 3,569 tons for the Skipjack. The Permit can dive to 400 m compared to 210 m for the Skipjack.

The Permit was produced in 14 units vs 6 for the Skipjack. The Permit was commissioned in 1961, 2 years after the Skipjack (1959).

Related Comparisons
Permit vs Whiskey Permit vs Romeo Permit vs Foxtrot Permit vs Improved Kilo Permit vs Kilo Permit vs Type 209

Frequently Asked Questions

Which has greater displacement, the Permit-class or Skipjack-class?
The Permit-class has greater displacement at 3,810 tons compared to the Skipjack-class's 3,124 tons.
Which is faster, the Permit-class or Skipjack-class?
The Skipjack-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 Skipjack-class?
Both the Permit-class and Skipjack-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Permit-class or Skipjack-class?
The Permit-class is longer at 84.9 meters compared to the Skipjack-class's 76.7 meters.
How many crew members do the Permit-class and Skipjack-class have?
The Permit-class has a larger crew complement of 112 compared to the Skipjack-class's 93 crew members.
Which can dive deeper, the Permit-class or Skipjack-class?
The Permit-class can dive deeper with a maximum depth of 400 meters compared to the Skipjack-class's 210 meters.
Which has been built in greater numbers, the Permit-class or Skipjack-class?
The Permit-class has been built in greater numbers with 14 vessels compared to 6 vessels of the Skipjack-class.