Apache blades can take a 50 cal round I once heard but the canopy with so many rounds fired into it should be broken I should think
Main problem in that video is how accurate the gun was when fired so quickly
Also the chopper should have shredded him in the first fly past, if not any sensible pilot would have stood off at a distance or flown higher and used chaingun
http://www.smh.com.au/articles/2003/03/25/1048354604384.html