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The Lockheed S-3A Viking is the world’s first carrier-based jet anti-submarine patrol aircraft,adopted by the US Navy as a successor to the Grumman S-2 Tracker.

The S-3A is equipped with the latest anti-submarine search equipment, such as the APS-116 radar, infrared detection equipment,retractable magnetic detection equipment, active sonar system and ECM equipment.

In addition, the fuselage bomb bay can be equipped with four homing torpedoes and depth charges,and the underwing pylons can be equipped with various bombs, rockets, flares and other offensive weapons.

In addition, the cockpit is equipped with an extendable airborne refueling probe,and the wings and vertical tail can be folded hydraulically.

It was deployed in combat from 1975, and is deployed to 12 squadrons.

Derivatives of the S-3A include the US-3A, which was modified as a liaison transport between aircraft carriers and bases, and the S-3B, which was upgraded to operate the AGM-84 Harpoon.

Data
Crew: 4
Width: 20.93m
Length: 16.26m
Height: 6.93m
Maximum takeoff weight: 21,592kg
Engine: GE TE34-GE400A
Thrust: 4,207kg x 2
Maximum speed: 834km/h
Fixed armament: None