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Arboga Robotmuseum

RBS 67/77 Hawk

Robothistoriska Föreningen i Arboga


Sidan uppdaterad: 2016-03-09 13:51







Missile History


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RBS 67/77 Hawk


Missile system 77 Hawk is an anti-aircraft system with a far cruising range and with high altitude coverage. The assignment is to protect military base of operations, population centers and other strategically important areas.


The RBS missile 77 is deployed in anti-aircraft battalions.


Historical account

The RBS 67 Hawk entered into  the Swedish air defence in the beginning of the 1960s.


The Swedish version is an improved version of the Hawk missile, which is mixture of Swedish technology. It was introduced in 1980 and received the designation RBSA 77.


At that time a newly developed search radar from the Ericsson Company, a new missile from USA, an extensive modification of the American illumination radar and a missile carriage, initially acquired for the RBS 67, were all introduced.


System description

In a RB 77 missile n anti-aircraft company consists of the following main units:


-        Search radar         PS-707/R

-        Illumination radar  PE-541/R

-        Two missile carriage carriages

-        Missiles

-        Radio relay link equipment for contact and radar cooperation with STRIL (Swedish abbreviation for Combat management and air surveillance).



On the control table PPI (Plan Position Indicator) its own targets and targets from STRIL are displayed. The battle control officer chooses a target and assigns it to the fire operator, who catches the target data and follows the target with the illumination radar. When the target is within the combating range, the fire operator fires the missile towards the target. The illumination radar beams the target and the missile radar receiver catches the reflected radiation and guides the missile towards the calculated aim-off deflection, called aim-off guidance. When the missile is close to the target the warhead is triggered by the radar proximity fuse.



Extensive refurbishment and modifications on the RBS 77 had been implemented as follows:


-A new dispatch  unit  (PS-2301)

-A new separate battle- and fire control lodge

-Modification of the illumination radar

-Introduction of TS-9000

-Introduction of the appreciation of the aircraft situation (LuLIS)


Following the above upgrading the system received the designation RBS 97.


Technical data RBS 77

Search radar PS-707

Type of radar

Pulse Doppler radar

Frequency band

C-band 5.4  5.9 GHz

Measuring range

25 miles or 12 miles. STRIL targets pursued at 62 miles


(40 km or 20 km)


Traveling-wave tube (TWT)


4 operators


Tgb 40

Radio mast height

40 feet (12 m)

Weight incl. vehicle

35.580 lbs. (16.140 kg)


Illumination radar PE-541

Type of radar

CW-Doppler radar (Continuous Wave)

Frequency band

X-band, approx.. 10 GHz

Power amplifier


Side deflection area


Angle of sight area

- 8° to 89°


9.480 lbs. (4.300 kg)




22 miles (>  35 km)  

Altitude defilade

9 miles (> 15 km)

Weather dependency

All weather capabilities

Control principle

Line of sight, semi-active radar target tracking  

Target tracking






1 407 lbs (638 kg)




16 feet 5 inches (5 meter)




3 feet 11 inches (1.2 meter)








2-stage powder rocket







Warhead action

Pre-fragmentation shrapnel warhead







Missile types:


RB 07 Seacat


RBS 23 Bamse


RB 67/67 HAWK


RB 68 Bloodhound


RB 69 Redeye


RBS 70


RBS 90