What is D4 Drone system?

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What is D4 Drone system? Blog Image


The D4 anti-drone system which was used for security during the Republic Day parade is one of the products to be showcased at Aero India 2023.

Key facts about D4 Drone System:

  • What is it? The Drone Detect, Deter and Destroy system (D4S) is the first indigenously developed anti-drone system to be inducted into the Indian Armed Forces.
  • It is developed by Defence Research and Development Organisation (DRDO) and manufactured by Bharat Electronics Limited (BEL).
  • Purpose: To detect rogue drones that are likely to attack most vulnerable places.
  • Features:
    • D4 system can instantly detect and jam micro drones (Soft kill) and use a laser-based kill mechanism to terminate targets (Hard kill).
    • It uses DRDO's RF/Global Navigation Satellite System (GNSS) to detect the frequency which is being used by the controller and the signals are then jammed.
    • It can detect and jam micro-drones at a distance of up to 3 km.
    • It can lase a target 1-1.25 km far depending on the wattage of the laser weapon.

About Aero India:

  • It is a biennial air show and aviation exhibition held in Bengaluru, India at the Yelahanka Air Force Station. 
  • It is organised by the Defence Exhibition Organisation, Ministry of Defence.


Q1) What is an anti-drone system?

Anti-drone systems are designed to counter-drone technologies and interfere with them in various ways and are used to detect and/or intercept unwanted drones and unmanned aerial vehicles (UAVs).

Source: AI to missile systems, BEL to put up big show at Aero India