Turkey plans on installing underwater microphones to locate Greek submarines in the waters of the Aegean Sea and the Eastern Mediterranean. The surveillance devices could be dropped into the sea by UAVs
The pro-government Turkish newspaper Hurriyet reported that Turkey is planning to use Sonobuoy systems, which will act as stethoscopes, into the Aegean Sea to monitor the movements of submarines in the area by the Hellenic Navy.
Turkey’s microphones in the Aegean aim to detect Greek submarines
The Sonobuoy system is a relatively small buoy with an expendable sonar system that is dropped into the sea from the air and is used in the context of anti-submarine warfare or underwater acoustic research. It has a duration of operation of six to eight hours. The system transmits radio waves of what is heard in the water to the surface, performing an acoustic analysis at the same time.
Microphones will be installed by a Turkish unmanned aerial vehicle although, until recently, the system was dropped into the sea by vessels of the Turkish Naval Forces Command.
TUSAŞ Deputy Director General of UAV Systems Omer Yildiz said that Turkish drones now have built-in capabilities to launch and listen to sonobuoys. Stressing that the UAVs developed by Turkey can also perform the same task as patrol planes, Yildiz said, “The microphones we put in the water[…]broadcast what they hear with radio waves and do acoustic analysis. As a result of these analyses, we get information such as whether or not there is a submarine and its position. Now we are able to do this work with ANKA and AKSUNGUR.”
According to the Greek Rear Admiral Yiannis Egolfopoulos, “The temperature of the water is not the same in all places. When the temperature gets low enough, the sound emitted by the sonars does not pass beneath this cold layer of water. It is reflected on the surface. The Greek submarines go under this layer, so the microphones cannot detect them.”