Description
The systems were developed by the Institute of Metal Science and are based around electronic fuzes with broadly similar functionality. The fuzes use two sensors. The first, an acoustic sensor, arms the mine as a helicopter approaches. The second sensor is a radar sensor, which locates the target and triggers the mine at the optimal point. The mines all use a number of large Misznay Schardin effect warheads to project large numbers of fragments to an effective range of around 200 meters. Jane's Mines and Mine Clearance speculates that IFF could be integrated into the fuse circuit to discriminate against friendly aircraft.
Read more about this topic: Bulgarian Anti-helicopter Mines
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