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Echo vs Yankee Notch

Echo vs Yankee Notch at a glance — displacement 4,486 vs 7,700 tons, length 115 vs 141 m, speed 15 vs 13 knots, crew 109 vs 120.

Echo submarine side profile drawing
🇷🇺 EchoFull specs
Yankee Notch submarine side profile drawing
🇷🇺 Yankee NotchFull specs
Specifications
Echo Yankee Notch
Origin 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Nuclear-powered cruise missile submarine Nuclear-powered cruise missile submarine
Manufacturer Komsomolsk-on-Amur, shipyard No. 199 Severodvinsk
Year introduced 1960 1987
Number built 34 units 3 units
Estimated unit price NA NA
Displacement 4,486 tons 7,700 tons
Maximum speed 15.0 knots 13.0 knots
Range 30,000 nm Unlimited
Length 115.4 m 141.5 m
Beam 9.3 m 11.7 m
Crew 109 120
Max depth 300 m 400 m
Performance Radar Chart
Armament & Systems
Echo Yankee Notch
Armament
  • 8 × P-6 cruise missiles
  • 4 × 533 mm (21 in) bow torpedo tubes
  • 2 × 400 mm (16 in) stern torpedo tubes
  • 32–40 x RK-55 Granat (SS-N-21 Sampson) cruise missiles, tube-launched
  • 4 x 533 mm and 2 x 400 mm bow torpedo tubes
  • 8 x 533 mm torpedo tubes in the inserted waist section
Propulsion 2 pressurized water-cooled reactors 70,000 hp (52 MW) each, 2 steam turbines, 2 shafts two VM-4 pressurized water cooled reactors powering four steam turbines driving two shafts
Explore further
Echo-class side profile drawing Echo-class Specs, operators & history →
Former operators · 34 built
Yankee Notch-class side profile drawing Yankee Notch-class Specs, operators & history →
Former operators · 3 built
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Frequently Asked Questions

Which has greater displacement, the Echo-class or Yankee Notch-class?
The Yankee Notch-class has greater displacement at 7,700 tons compared to the Echo-class's 4,486 tons.
Which is faster, the Echo-class or Yankee Notch-class?
The Echo-class is faster with a maximum speed of 15 knots compared to the Yankee Notch-class's 13 knots.
Which has longer range, the Echo-class or Yankee Notch-class?
The Yankee Notch-class is nuclear-powered with unlimited range, while the Echo-class has a range of 30,000 nautical miles.
Which is longer, the Echo-class or Yankee Notch-class?
The Yankee Notch-class is longer at 141.5 meters compared to the Echo-class's 115.4 meters.
How many crew members do the Echo-class and Yankee Notch-class have?
The Yankee Notch-class has a larger crew complement of 120 compared to the Echo-class's 109 crew members.
Which can dive deeper, the Echo-class or Yankee Notch-class?
The Yankee Notch-class can dive deeper with a maximum depth of 400 meters compared to the Echo-class's 300 meters.
Which has been built in greater numbers, the Echo-class or Yankee Notch-class?
The Echo-class has been built in greater numbers with 34 vessels compared to 3 vessels of the Yankee Notch-class.