AIM-120 AMRAAM | |
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An AIM-120 AMRAAM mounted on the wingtip launcher of an F-16 Fighting Falcon
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Type | Medium-range, active radar homing air-to-air missile |
Place of origin | United States |
Service history | |
In service | September 1991–present |
Used by | See operators |
Production history | |
Manufacturer |
• Hughes: 1991–97 |
Unit cost |
• $300,000–$400,000 for 120C variants |
Variants | AIM-120A, AIM-120B, AIM-120C, AIM-120C-4/5/6/7, AIM-120D |
Specifications | |
Weight | 335 lb (152 kg) |
Length | 12 ft (3.7 m) |
Diameter | 7 in (180 mm) |
Warhead |
High explosive blast-fragmentation |
Detonation
mechanism |
Active RADAR Target Detection Device (TDD) |
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Engine | Solid-fuel rocket motor |
Wingspan | 20.7 in (530 mm) AIM-120A/B |
Operational
range |
• AIM-120A/B: 55–75 km (30–40 nmi) |
Speed | Mach 4 (4,900 km/h; 3,045 mph) |
Guidance
system |
inertial guidance, terminal active radar homing |
Launch
platform |
Aircraft:
Surface-launched:
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• Hughes: 1991–97
• $300,000–$400,000 for 120C variants
High explosive blast-fragmentation
• AIM-120A/B: WDU-33/B, 50 pounds (22.7 kg)
Active RADAR Target Detection Device (TDD)
• AIM-120A/B: 55–75 km (30–40 nmi)
• AIM-120C-5: >105 km (>57 nmi)
Aircraft:
Surface-launched:
The AIM-120 Advanced Medium-Range Air-to-Air Missile, or AMRAAM (pronounced "am-ram"), is a modern beyond-visual-range air-to-air missile (BVRAAM) capable of all-weather day-and-night operations. Designed with 7-inch diameter instead of 8-inch diameter form-and-fit factors, and employing active transmit-receive radar guidance instead of semi-active receive-only radar guidance, it is a fire-and-forget upgrade to the previous generation Sparrow missiles. When an AMRAAM missile is being launched, NATO pilots use the brevity code Fox Three.
The AIM-7 Sparrow medium range missile (MRM) was purchased by the US Navy from original developer Howard Hughes in the 1950s as its first operational air-to-air missile with "beyond visual range" (BVR) capability. With an effective range of about 12 miles (19 km), it was introduced as a radar beam-riding missile and then it was improved to a semiactive radar guided missile which would home in on reflections from a target illuminated by the radar of the launching aircraft. It was effective at visual to beyond visual range. The early beam riding versions of the Sparrow missiles were integrated onto the F3H Demon and F7U Cutlass, but the definitive AIM-7 Sparrow was the primary weapon for the all-weather F-4 Phantom II fighter/interceptor, which lacked an internal gun in its U.S. Navy, U.S. Marine Corps, and early U.S. Air Force versions. The F-4 carried up to four AIM-7s in built-in recesses under its belly.