Biggus said: "2. In my personal experience, Stingray was a reliable and aggressive little ASW torpedo. As a "lightweight" ASW weapon it is not carried by submarines, and therefore does not attack the launching sub. Whether or not it attacks a ship it is launched from I cannot comment on, certain weapon settings should prevent this. To the best of my knowledge it never tried to attack any airborne platform that launched it...!"
I have to hang my head in shame here and say memory played me false.
The piece of junk I was thinking of was the Tigerfish
Apologies for the error