Only if it opens fire. Then, yes. Otherwise, an AIP sub running silent may be able to hide for quite a while.
But once it launches *anything* - well...
“But once it launches *anything* - well...”
That may no problem with silent running battery powered torpedo like DM2A4 used on German Type 212, Indian Agosta and Spanish S-80 submarines.
http://en.wikipedia.org/wiki/DM2A4
Any talks about “Germany’s top submarine did not meet all of the mandatory requirements of tactical and technical equipment developed by the military, including in particular the propulsion system, missile weapons and rescue system” makes me wonder, too. Poland operates today one Kilo-class and 4 Kobben-class submarines with a displacement of 500t. What monster type of a submarine does Poland want?
I guess the gifts for Mr. Skrzypczak and others were insufficient.