INDODEFENCE 2016

Sonobuoy deliveries begun [INDODEF16-D1]

01 November 2016

Having grown South Korea’s indigenous capability for the design and development of sonobuoys, Meta Networks (Hall D, Stand 215) has begun deliveries of DIFAR (KAN/SSQ-53D(3) A1) passive sonobuoys to equip Republic of Korea Navy (RoKN) P-3CK Orion maritime patrol aircraft.

Sonobuoys are air-dropped expendable devices used to support anti-submarine warfare (ASW) operations. The DIFAR type is an A-size passive buoy that deploys a directional hydrophone to provide a bearing on received acoustic signals.

Meta Networks has been working on the in-country development of sonobuoy systems for several years, with early development testing undertaken in 2010. Approval for production of the locally produced KAN/SSQ-53D DIFAR buoy was received in May 2012, with product development completed in December that year.

According to data released by Meta Networks at Indo Defence 2016, the KAN/SSQ-53D buoy operates across a frequency range of 5-2,500Hz, and can be set to an operating depth of either 30m, 50m, 120m or 300m.

The first sonobuoy deliveries to the RoKN’s P-3CK force were made earlier this year. Meta Networks has disclosed that it is also working on the development of a surface ship ASW sonobuoy system. This would also include an acoustic processing subsystem and analysis software.



(198 words)
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