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BCommunications & electronic warfare
system which allows ground forces, such as Forward air controllers (FAC), to see what an aircraft or unmanned aerial vehicle (UAV) is seeing in real time
Measured figures
Own2004backpackconfiguration only, notIV/V orinstalledaircraft · device
Single source5.4 kg (12 lb) device[source]Own2004backpackconfiguration only, notIV/V orinstalledaircraft
Configuration
| Specification | Praetorian DASS | ROVER |
|---|---|---|
| Type | defensive Aid Sub-System (DASS)[source] | system which allows ground forces, such as Forward air controllers (FAC), to see what an aircraft or unmanned aerial vehicle (UAV) is seeing in real time[source] |
| Role | threat assessment, aircraft protection and support measures in extremely hostile and severe environments[source] | close air support[source] |
| Architecture | antennas for electronic countermeasures (ECM), electronic support measures (ESM), missile approach warning systems (MAW), laser warning receivers (LWR) and Towed radar decoy (TRD)[source] | — |
| Control | fully automatic, which greatly relieves the workload for the pilot in combat but the pilot can manually override[source] |
ECM GaAs-MMIC transmitter/receiver modules · Frequency
Single sourceMissile-approach-warning radar component · Frequency
Single sourcePassive radar-warning receiver antennas · Frequency
Single sourcePassive radar-warning receiver antennas · up to
Single source100 MHz up to 10 GHz[source]Passive radar-warning receiver antennas
6–18 GHz[source]ECM GaAs-MMIC transmitter/receiver modules
32–38 GHz[source]Missile-approach-warning radar component
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Countermeasure dispenser | two Saab BOL-510 dispensers and two Cobham plc / Elettronica Aster 55mm flare dispensers[source] | — |
|---|
| Countermeasure capacity | Each dispenser can be loaded with 160 packets of chaff/flares giving the Eurofighter a total of 320 chaff/flare cartridges (total weight 7–9 kg)[source]BOL-510 dispenser / installed aircraft chaff-flare cartridge total, not complete DASS mass | — |
|---|
| Decoy deployment | one or two Ariel Mk II TRD from Leonardo will be carried in the rear of starboard wingtip pod, and deployed from the pod on a 100 m long Kevlar cable containing a FibreOptic link and a separate power line[source]Ariel Mk II deployed cable, not DASS equipment length | — |
|---|
| Display | — | laptop on the ground[source] |
|---|
| Introduced | — | 2002[source]ROVERI introduction only |
|---|
| Compatibility | — | UAVs and aircraft carrying the LITENING targeting pod as well as other targeting systems[source] |
|---|
| Other pod compatibility | — | Sniper Advanced Targeting Pod also uses the ROVER for ground station[source] |
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| Country of origin | — | United States[source]Inventory Origin column; table 16, row 21, cell 3; revision 1375013163; retrieved 2026-09-30 |
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