Rafael Advanced Defense Systems
Derby
An Israeli active-radar-homing, beyond-visual-range air-to-air missile that also doubles as a surface-launched interceptor in the SPYDER air-defense system. It gives Rafael customers a fire-and-forget BVR option independent of US or European suppliers.
In service since 1998
Compiled from public sources ·primary reference ↗ ·last verified 2026-07-02
65
km range
4
Mach
118
kg warhead
Pricing: Unit cost not publicly disclosed
Procurement snapshot
Availability & export
Israeli export-licensed
Israeli MoD (DECA/SIBAT) licensing; active export programme.
Channel: Direct commercial / G2G
Fielded & proven
Operator data not public
In service since 1998. Status: active.
Lifecycle cost (est.)
No public unit price to model from. Why so few systems publish one →
Interoperability
No standardised NATO calibre / datalink detected in public specs.
Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.
Full specifications
Performance
Speed, range, altitude and engagement capability.
| Max speed (Mach) Maximum speed as a multiple of the speed of sound. Mach 2+ is typical for air-superiority fighters. | 4 Mach |
|---|---|
| Range Maximum distance: ferry range for aircraft, operational range for vehicles, maximum engagement distance for missiles. Higher means more standoff or persistence. | 65 km |
Firepower
Armament, payload and guidance.
| Warhead Warhead mass. Heavier generally means larger effect radius, at the cost of range. | 118 kg |
|---|---|
| Warhead type Blast-fragmentation, shaped charge (HEAT), penetrator, thermobaric or nuclear-capable. | Blast-fragmentation, proximity fuze |
| Guidance How the weapon finds its target: inertial, GPS/GLONASS, active/semi-active radar, infrared, laser, TV, wire. | Active radar homing, Inertial navigation with mid-course update |
Physical
Dimensions, weight and crew.
| Length Overall length including gun/probe where applicable. | 3.6 m |
|---|---|
| Combat weight Fully loaded weight. Lighter eases transport and bridging limits; heavier often means more armor. | 118 kg |
Propulsion
Engine, power and fuel.
| Propulsion type Turbofan, turboshaft, diesel, gas turbine, solid-fuel rocket, ramjet… | Solid-fuel rocket |
|---|
Specifications compiled from public Rafael Advanced Defense Systems and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-02.
Compare with rivals
See how it stacks up
Frequently asked questions
What is the range of the Rafael Advanced Defense Systems Derby? +
The Rafael Advanced Defense Systems Derby has a maximum range of 65 km.
How much does the Rafael Advanced Defense Systems Derby weigh? +
The Rafael Advanced Defense Systems Derby has a combat weight of 118 kg.
What is the Rafael Advanced Defense Systems Derby used for? +
The Rafael Advanced Defense Systems Derby is a missile typically used for air superiority.
How much does the Rafael Advanced Defense Systems Derby cost? +
Rafael Advanced Defense Systems Derby: Unit cost not publicly disclosed. Defense program costs are rarely fully public and vary by contract and configuration.
Similar systems
Rafael Advanced Defense Systems
Python 4
Rafael Advanced Defense Systems
Python-5
MBDA
ASRAAM
MBDA
MICA EM
Related coverage