Missile RIM-7 Sea Sparrow

Summary

CategorySurface-to-Air Missiles
Sub-typeRadar-guided surface-to-air missile
Origin country 🇺🇸 United States
ManufacturerRaytheon
StatusIn service
Year of service1976
Est. avg unit price$0.2 million

Technical specifications

WarheadHigh Explosive
Warhead weight40 kg (88 lb)
Diameter203 mm (8.0 in)
Span1,020 mm (40.2 in)
Length3,980 mm (156.7 in)
Flight altitude15,240 m (50,000 ft)
Weight228 kg (503 lb)
Range 19 km (12 mi)
Max. speed4,256 km/h (Mach 4.3)

RIM-7 Sea Sparrow scale diagram

RIM-7 Sea Sparrow — Surface-to-Air 1.75 m 3.98 m
Range
19 km
Speed
Mach 4.3
Weight
228 kg
Warhead
40 kg

Operators

🇦🇺 Australia • 🇧🇪 Belgium • 🇧🇬 Bulgaria • 🇨🇦 Canada • 🇨🇱 Chile • 🇩🇪 Germany • 🇩🇰 Denmark • 🇪🇸 Spain • 🇬🇷 Greece • 🇮🇹 Italy • 🇯🇵 Japan • 🇰🇷 South Korea • 🇲🇽 Mexico • 🇳🇱 Netherlands • 🇳🇴 Norway • 🇳🇿 New Zealand • 🇵🇹 Portugal • 🇹🇷 Turkey • 🇹🇼 Taiwan • 🇺🇦 Ukraine • 🇺🇸 United States

Description

The RIM-7 Sea Sparrow originated in the early 1960s as a derivative of the AIM-7 Sparrow air-to-air missile. It was developed to provide a point-defense system for naval vessels to counter high-speed aircraft and sea-skimming anti-ship missiles. The system was adopted following the cancellation of the RIM-46 Sea Mauler program. Initial versions utilized manual radar illumination, while subsequent iterations introduced automated fire control and folding wings for storage in compact launchers.

The missile utilizes semi-active radar homing for terminal guidance. Early variants relied on continuous wave signals, while the RIM-7M introduced a monopulse radar seeker and a computerized guidance system with an autopilot to maintain trajectory during brief signal loss. The RIM-7P variant incorporates rear-mounted antennas for mid-course updates, enabling secondary use against surface targets. Propulsion is provided by a solid-propellant rocket motor. The missile is equipped with an annular blast fragmentation warhead featuring an expanding rod and proximity fuzing. Launch configurations include trainable box launchers and vertical launching systems. Vertical-launch versions utilize a Jet Vane Control package to orient the missile toward the target after egress.

The Sea Sparrow is widely deployed across NATO maritime forces and has been exported to several countries in Europe, Asia, and South America. It is utilized on aircraft carriers, destroyers, and frigates. In 2023, the system was transferred to Ukraine and integrated into modified Soviet-era Buk-M1 launchers. This configuration, referred to as "FrankenSAM," was first used in combat in January 2024 to intercept a Shahed drone. Taiwan operates a ground-based version as part of the Skyguard air defense system; these units were temporarily withdrawn from service in 2012 following failures during test exercises. Former operators include Australia, Canada, and New Zealand.

Frequently Asked Questions

What type of missile is the RIM-7 Sea Sparrow?
The RIM-7 Sea Sparrow is a surface-to-air missile developed by the United States. It entered service in 1976.
What is the range of the RIM-7 Sea Sparrow?
The RIM-7 Sea Sparrow has a maximum range of approximately 19 km (11 miles). Effective range varies with launch platform, altitude, and flight profile.
How fast is the RIM-7 Sea Sparrow?
The RIM-7 Sea Sparrow reaches a maximum speed of 4,256 km/h (Mach 3.4).
What warhead does the RIM-7 Sea Sparrow carry?
The RIM-7 Sea Sparrow carries a high explosive warhead weighing 40 kg.
How is the RIM-7 Sea Sparrow guided?
The RIM-7 Sea Sparrow uses semi-active radar homing guidance.
Which countries use the RIM-7 Sea Sparrow?
The RIM-7 Sea Sparrow is in service with 21 countries: Australia, Belgium, Bulgaria, and 18 other countries.
How much does a RIM-7 Sea Sparrow cost?
The RIM-7 Sea Sparrow has an estimated unit cost of approximately $165,400. Actual prices vary by variant, quantity ordered, and support packages.
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