12 on the PT

Posted by ESC on August 09, 2001

In Reply to: 12 on the PT posted by Kirsten on August 09, 2001

: what does 12 on the PT mean?

I looked in all my references and couldn't find this expression. Could you add some context -- use it in a sentence? Do you think it might be a military term? Could it be a reading on a meter of some kind?