Weird things heard on VHF radio

My brother in law and I were sailing today on the San Diego Bay near the Midway aircraft carrier that has been made into a museum. All afternoon there was a plane towing a banner advertising Memorial Day celebrations aboard the Midway Museum. Then the plane passed low overhead, there was a loud noise soon after on VHF channel 16:

San Diego coast guard
San Diego coast guard
San Diego coast guard
A plane has crashed in San Diego Bay
A plane has crashed in San Diego Bay
A plane has crashed in San Diego Bay

Then from the coast guard
please repeat
please repeat
please repeat

A plane has crashed in San Diego Bay
A plane has crashed in San Diego Bay
A plane has crashed in San Diego Bay

Fortunately the two people in the plane survived and there was not much damage to the boats in the marina where it crashed. The plane crashed about 1/2 a mile from where we were sailing.

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