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defensive Aid Sub-System (DASS)
Praetorian DASS is a defensive Aid Sub-System (DASS).
Technical data
is an integral part of Eurofighter Typhoon defensive Aid Sub-System (DASS)
providing threat assessment, aircraft protection and support measures in extremely hostile and severe environments
modular system consisting of antennas for electronic countermeasures (ECM), electronic support measures (ESM), missile approach warning systems (MAW), laser warning receivers (LWR) and Towed radar decoy (TRD)
fully automatic, which greatly relieves the workload for the pilot in combat but the pilot can manually override
passive antennas can identify radio frequencies of 100 MHz up to 10 GHz
T/R modules of AESAS are GaAs-MMIC based and operating in the 6–18 GHz frequency range
active, millimeter-wave Ka-band (32–38 GHz) pulse-doppler radar
two Saab BOL-510 dispensers and two Cobham plc / Elettronica Aster 55mm flare dispensers
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)
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
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Praetorian DASS equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Germany