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Sukhoi Su-9
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Specifications

    Primary Function:
    Crew:
    Engine:
    Thrust:
    Weight Empty:
    Max. Weight:
    Guns:
    Missiles:
    Length:
    Wingspan:
    Max. Speed:
    Stall Speed:
    Climb Rate:
    Range:
    Ceiling:
    First Flight:
    Year Deployed:
interceptor
one
Lyulka turbojet
19,840 lbs.
19,000 lbs.
27,000 lbs.
none
4 - K5 "Alkali"
57' 0"
27' 8"
1,325 mph
225 mph
27,000 fpm
700 miles
55,000 feet
6/24/56
1959






It was the mid 1950's when the Russian National Aerodynamic Research Center (TAGI) requested that Sukhoi produce a delta winged fighter design. In response, Sukhoi produced the T-3 prototype. A variety of configurations for the single turbojet intake located in the aircraft's nose were considered. A circular intake was the preferred design. It would also hold the aircraft's all-weather radar in its center.  The first flight of the prototype was on June 24, 1956.

The first production Sukhoi Su-9, named Fishpot by NATO, was assembled in 1958 and deployed by 1959. Soon Su-9 fighters joined Soviet air defense squadrons equipped with four K-5 air-to-air "Alkai" radar guided missiles each.  These early missiles had a very low succes rate of finding their targets, especially at longer ranges. A pair of external fuel tanks carried on the bottom center line of the aircraft helped increase the limited range of the fighters.

A two seat training variant of the aircraft was also produced, designated the Su-9U. It was equipped with missiles and had separate displays for the student and instructor to enable combat training. About 50 Sukhoi Su-9U aircraft were built.

On July 14, 1959 a modified version of the Sukhoi Su-9, designated the T-431, set an altitude record of 94,659 feet.

Sukhoi Su-9 aircraft were deployed through the early 1980's. Thereafter, retired aircraft were converted for use as target drones.

A total of about 1,150 Sukhoi Su-9 aircraft were produced.

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