Bro, if you had used the serach function then you would have found out that PD = Physically Disabled
Whilst on the matter of using the search function, please read the 'forum etiquette' as I can see you're new here. It has loads of info and will most likely answer anything you might be pondering about. I'm guessing had you done so, this thread wouldn't be here
Good luck and have fun, look forward to some reports!