[Bubblehead1980]

Originally Posted by merc4ulfate

Try looking here ... https://maritime.org/sound/

https://www.epidemicsound.com/track/VLvQpBw4MH/

http://www.uboataces.com/ref-sonar-sounds.shtml

https://soundbible.com/1184-Sonar-Ping.html

Thank you!