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Country: UK
Type: ARM
Introduction: 1991 |
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ALARM (Air Launched Anti-Radiation Missile) is a British anti-radiation missile designed primarily to destroy enemy radars for the purpose of Suppression of Enemy Air Defence (SEAD). It is used by the Royal Air Force (RAF) and the Royal Saudi Air Force.
The Ministry of Defence received bids for a new anti-radiation missile in late 1982. Defence Secretary Michael Heseltine announced the selection of ALARM on 29 July 1983. The initial order was 750 missiles for the RAF.
ALARM is a fire-and-forget system, with an added loiter capability. In loiter mode, ALARM will, when launched, climb to an altitude of 13 km. If the target radar shuts down, the missile will deploy a parachute and descend slowly until the radar lights up. The missile will then fire a secondary motor to attack the target.
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| General Information |
| Developed by |
UK |
| Deployed by |
Saudi Arabia, UK |
| Development Year |
1983 |
| Deployment Year |
1991 |
| Platform |
Tornado GR1, Sea Harrier FRS.2 |
| Launcher |
underwing pylon rail-launchers or launch rails on the belly |
| Number manufactured |
900 (est. UK), 200-300 (Saudi Arabia) |
| Number deployed |
750(?) |
| Contractor |
Matra BAe Dynamics |
| Dimensions and Performance |
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Length |
4.29m |
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Body Diameter |
22.4cm |
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Wing/Fin span |
72cm |
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Launch Weight |
264.4kg |
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Range |
45km (for high level launch) |
| Components |
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Propulsion |
solid propellant |
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Engine |
built by Bayern-Chemie |
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Warhead |
HE fragmentation effect |
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Guidance |
wide area passive radar |
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