RB 04

Last updated
RB-04E
Swedish Rb04ru 8.jpg
Type Fire and forget
anti-ship
Place of originSweden
Service history
In service1962–2000?
Used bySweden
Production history
Manufacturer SAAB
Specifications
Mass600 kg (1,300 lb)
Length4.45 m (14 ft 7 in)
Diameter50 cm (20 in)
Warhead300 kg (660 lb) HE blast and pre-fragmented
Detonation
mechanism
impact or proximity

EngineINI Solid Rocket Engine
Wingspan2.04 m (6 ft 8 in)
PropellantSolid
Operational
range
32 km (20 mi)
Flight altitude sea skimming
Maximum speed subsonic
Guidance
system
active radar homing, Track on Jam (AGA-1 seeker, Rb04C)
Launch
platform
Aircraft A 32, AJ 37, AJS 37

The RB-04 (Robot 04) is a long-range sea skimming [1] fire-and-forget air-to-surface, anti-ship missile. The missile was known as the "RB-304" during development and early service years.

Contents

Development

While interest in guided anti-ship missiles was subdued in the 1950s, it was not entirely extinct. In 1949, the Swedish government placed a request for a radar-guided, air-launched anti-ship missile. The request materialized as the SAAB "Robot-Byrån (RB) 04", which was first test launched by a Saab 29 Tunnan fighter in early 1955. The early versions of the missile suffered teething problems in regards to the two targeting modes, which were area attack, for striking a big group of ships (like an invasion fleet), and select targeting, where the missiles home in on a single vessel. In the area attack the missile would only target a ship in the group if they were within 1,000 meters of another vessel, this was also in the early electronic age, and changes in this distance required hardware modifications in a workshop.

Many components of the missile were reused when the RBS-15 was developed, including the main body and warhead, although the motor and main wings were the most obvious external changes.

Variants

Operational use

Robot 04 on A32A Lansen Robot 04 Lansen.jpg
Robot 04 on A32A Lansen

The missile has never seen combat; the closest it has come to being used was during the "Whiskey on the Rocks" incident in 1981, when a Soviet (NATO code Whiskey Class) submarine ran aground outside the naval station in Karlskrona. Swedish AJ37 Viggens with RB-04E's mounted under their wings, taken from top secret storage bunkers, stood on high alert for a possible Soviet incursion. On one occasion, when a Soviet rescue operation seemed to be underway, aircraft were scrambled with the intent to intercept Soviet ships.[ citation needed ]

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References

  1. "RB 04C".