Red Flashing Dots on Map?

[max-peck]

Hi Guys

I Just got back into Cold Water (after watching Red October yet again:))

Still relearning stuff

Any idea what the red flashing circle of dots on the map means just slightly NNW of me?

https://imgur.com/tJv4YaO

It looks like a noisemaker icon but I wasn't near any enemy ships when it appeared (and a Bear dropped a torp on me but that's anoither matter!)

Is it maybe an air dropped sensor buoy?

[max-peck]

Anyone??

[TORDO222]

Anyone??
Well.... multiple choice answers: When an enemy flies over you with the intention of detecting you,identify you and sink you,spear:a.flowers,b.leaflets ordering your surrender,c.sonobuoys....so..Greetings!.Marcelo:up :