Indian Navy signs contract for Portable Diver Detection Sonar

Indian Navy  has signed a contract with Tata Power Strategic Engineering Division (SED) for supply of Portable Diver Detection Sonar (PDDS) on Nov. 15, Indian Ministry of Defence announced.

The statement from the Indian Ministry of Defence said that the contract is under the ‘Buy and Make (Indian)’ category and is in consonance with Government of India’s ‘Make in India’ Policy.

This is the second contract to be signed by the Indian Navy under the ‘Buy and Make (Indian)’ category to boost Government of India’s Defence indigenisation effort. The maiden contract under this category was also signed earlier this year by the Indian Navy for supply of Surface Surveillance Radar for Navy warships.

Portable Diver Detection Sonar would be manufactured by Tata Power SED in India at their facility at Bengaluru with Transfer of Technology from DSIT Solution of Israel. It is thought to be based on DSIT PointShield PDDS.

Induction of weapons and sensors under ‘Buy and Make (Indian)’ category, is one the numerous measures being taken by the Indian Navy to boost indigenisation for ensuring a self reliant Navy, in line with the Government of India’s ‘Make in India’ initiative.

Induction of Portable Diver Detection Sonar would further enhance Indian Navy’s Underwater Surveillance Capability in the field of Low Intensity Maritime Operations. Procurement of these sonars for utilisation onboard ships is being undertaken by the Indian Navy to augment countermeasures against asymmetric threats.

DSIT PointShield PDDS

DSIT PointShield is a Portable Diver Detection Sonar (PDDS) system for protection of vessels at anchor and ships at berth against underwater threats.

The PointShield is also suitable for fixed installations where limited area needs to be covered. Sites that may be secured using the PointShield include Nuclear Power Facilities, Underwater Pipelines and Cables, Naval Bases piers, Ports, Oil & Gas Terminals, Offshore Platforms and Canals.

The PointShield is lightweight, compact and portable to allow rapid deployment and retrieval. Nevertheless, the PointShield is robust and can withstand rough waters and long-term continuous underwater operation, making it ideal for permanent installations as well.

The PointShield PDDS supports fully automatic operation – from detection, through tracking to classification and alert – and thus eliminating the need for a well-trained sonar operator. Its advanced signal processing algorithms ensure the desired combination of very high Probability of Detection (PD) with very low False Alarm Rate (FAR).

The system supports detection of all types of underwater threats including Divers using Rebreathing Apparatus, Scuba Divers, and Unmanned Underwater Vehicles (UUVs). It provides Omni-Directional (360°) coverage, creating a security sphere that surrounds the protected object from all sides and covers the entire relevant water column.



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