I had a salty AWC Jez type tell me about the Russians trying to retrieve "his" DICASS buoys in the med in the late 80's..... the crew waited until Ivan had the active buoy on the deck of the trawler before Chief hit the PING button....I don't know how many watts of noise that thing puts out, but he said all the Russians were blown overboard. By the time that P-3 landed at Sig, 6th Fleet was already waiting for them. They got the perfunctory ass chewing, but when it was over, the Admiral said that it was one of the funniest things he had ever seen.
You had your leg pulled. The sonar on those aren't anywhere close to that powerful.