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Ship aircraft missile system Osa-M

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    Basing

    :

    surface ships

    management system:

    Office for radio

    Warhead:

    high-explosive/fragmentation/incendiary

    Application:

    Antiaircraft

    Country:

    Russia

    Range:

    9 km.

    year development:

    1973

    naval air defense missile system wasp-m October 27, 1960 the Council of Ministers adopted Resolution № 1157-487 on the development of anti-aircraft missile complexes "Wasp" and "Osa-M" , respectively, for the Army Air Defense and the Navy. Development was carried out by a single missile tactical requirements and significant differences in their design was not.

    Developers:

    head on the complex as a whole, detection stations and homing - NII-20 SERC (chief designer VP Efremov);

    rocket on KB-82 (Chief Designer Potapov);

    on shipboard launcher - CDB-34;

    propulsion - OKB-81 GKAT;

    warhead - NII-24;

    radio controlled fuses - SRI-571.

    For complex

    "Osa-M" in the CDB-34 was designed ship missile launcher CM-126. But the Order of GKOT 20.H1.1963goda work on PU with CDB-34 were removed and transferred to CDB-7 (now ON "Arsenal"), which began to design a new launcher ZIF-122. In August 1964 KB-82 was released from work on the rocket, and was appointed head executor OKB-2 GKAT (chief designer Grusin).

    In 1967 began testing complex "Osa-M" on the experimental vessel OS-24 pr.33 (former KR "Voroshilov"). During the tests revealed a number of unsuccessful designs that require additional research and completions equipment. Revised complex was tested on ships, etc. in 1124 and 1134. Tests were completed in 1971. In 1973, SAM "Osa-M" was adopted by the Navy. SAM has been installed on ships pr.1135. 1134B, 1135-1, 1143, 1144, 1234 and others. The modernization of the cruisers pr.68 bis complex "Osa-M" has been installed in the CD "Zhdanov" (pr.68-U1) and "Senyavin" (pr.68-U2).

    In 1975 started modernization of the complex, which was named "Osa-MA" . As a result, the minimum height of hitting the target decreased from 60 to 25 m Ship modernized complex tests were conducted on a small anti-submarine ship, etc. 1124 (tactical number IPC-147) on the Black Sea. In 1979, the complex "Osa-MA" 'was adopted by.

    In the first half of the 80s was carried out modernization of the second to increase the efficiency of shooting at low-flying anti-ship missiles. Modernized complex "Osa-MA-2" can hit targets flying over the crest of the waves at a height of 5 meters.

    Composition

    naval air defense missile system wasp-m "Osa-M" completely unified with the troop complex "Wasp" on missile 9M33 and 70% for control systems.

    management system (see photo) consists of stations target detection, target tracking and sighting missile command, control for the three operators, as well as instrumentation interface and control actuators. Missile guidance to the target is carried out by radio command. Radar systems operate in the centimeter range and contain anti-jamming device. The complex "Osa-M" is also possible for target designation from the ship detection and targeting system.

    distinctive feature of the complex "Osa-M" is that he alone can solve the problem of target detection, for which part of the control system is enabled radar that detects targets flying at a height of 3.5 - 4 km at a distance of up to 25 - 30km at high altitudes and at ranges up to 50km. Coordinates of the detected and identified targets come on tracking station where used for pointing the antenna post in bearing and dopoisku goals in elevation. By combining modes of detection and capture target for maintenance in one system complex reaction time is reduced by 6 - 8 seconds.

    9M33 missile with dual-mode single-stage solid-propellant engine. Entry charge telescopic and marching single-channel charge. Launch is arranged on the aerodynamic configuration "duck", ie, in the bow rudders. Four wing constructively combined in the wing unit, which is mounted movably relative to the housing and free to rotate in flight.

    launcher ZIF-122-7 CDB developed under the leadership of VA Hromtsova. In the stowed position the lifting part with launchers beams and the rotating part is below deck in a special cellar, which housed ammunition. Guide beam Lowered vertical. Missiles are placed on the four drums on each reel can be identified by five missiles. When going into the firing position lift part PU lift with two missiles. After the launch of the first rocket rotates the drum, providing access to a line loading another rocket. After starting the second missile launchers beams automatically become vertically rotated to the nearest pair of drums and lift part PU falls for another two missiles. PU reloading time is within 16-21 seconds. Rate - 2 shots per minute at air targets and 2.8 shots per minute at surface, the transfer of fire on another goal 12 seconds. PU Weight 6850 kg without ammunition.

    After leaving the launcher and automatic (unmanaged radio commands) flight missile "captured" viewing station missiles displayed at the target. Missile guidance to the required accuracy is performed using the SU command flight control method according to one of the methods implemented in the system, "trehtochka" or "half-straightening" on air targets, "trehtochka mode NLC" low-flying goals and method of guidance on surface Target.

    When approaching missile to the target command is for charging radio controlled fuses and fuse removal of the last stage. On the team radio controlled fuses starts radiate radio pulses. At a certain level reflected from the target signals are undermining warhead. Tactical and technical requirements limiting radius 15m fuse tripping. In the case of a rocket flight to hit the target to the missile is commanded to turn off radio controlled fuses. Launch is displayed to the water level and undermining self-destructs warhead from clockwork or destroyed on impact with the water.

    PERFORMANCE

    Mass

    rocket kg

    128

    Warhead weight, kg

    15

    rocket length, mm

    3158

    Diameter, mm

    206

    Wingspan mm.

    650

    Airspeed Zour, m / s

    500

    Zone defeat km

    - in-range

    2 .. 9

    - height

    5

    0,005 ..

    - the parameter

    2-6

    kill probability of one fighter SAM

    0,35 .. 0,85

    Maximum Target speed, m / s

    Prior

    420





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