Nobody is going to apologise Dianavan. However the longer Iran hang on the worse it gets for everybody.

Anyway it now seems that Iran isn't asking for an apology,

The Iranians do not ask for a formal apology, but call for the establishment of a technical forum to ensure British forces do not enter their territorial waters again.

http://news.sky.com/skynews/article/0,,30000-1258295,00.html