FLASH-S Dipping Sonar [PDF]

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www.thalesgroup.com



Combined medium frequency surveillance sonar with high frequency ‘shadow’ classifier, FLASH-S provides an unrivalled capability against small, slow moving or stationary underwater targets. Pedigree Developed from FLASH dipping sonar, selected by the world’s major navies. Provencapability Fully developed with sea-proven capability against small targets in difficult environments. Effectivetargetclassification Steerable classifier with flexible aperture, tilt and gain control. Shortdipcycletime Fast, fully automatic reeling machine for minimum time in the dip and rapid deployment. MissionEffectiveness Provides great operational flexibility surveillance and classification in one mission. SystemAdaptability Available as a stand-alone sonar or fully integrated with sonobuoy processing.



ANTI SUBMARINE WARFARE



FLASH-S Dipping Sonar Specialized Surveillance and Classification Sonar for Helicopters and USVs



PEDIGREE The FLASH family has been selected by: French Navy - installed in the NFH90 ASW helicopter Norwegian Navy - installed in the NFH90 ASW helicopter Royal Australian Navy (MH-60R within Raytheon ALFS) Swedish Navy (FLASH-S) UAE Naval Forces - installed in the Cougar helicopter UK Royal Navy - installed in the Merlin ASW helicopter US Navy - ALFS System (USA designation for FLASH) installed in the MH-60R, the principal ASW/ASuW helicopter in USN service) A large installed base to build on worldwide in-service operational and training experience.



ANTI SUBMARINE WARFARE



FLASH-S Dipping Sonar Specialized Surveillance and Classification Sonar for Helicopters and USVs



OPERATIONAL HIGHLIGHTS



The high frequency classifier produces shadow images of the target thus enabling short range classification of small slow moving, stationary or bottomed targets and suspicious objects.



MAIN CHARACTERISTICS • Surveillance sonar



Choice of frequencies around 20kHz with 20% bandwidth



• Classification sonar



Frequency greater than 250kHz



• Classification sonar



Steerable over 360°, range resolution