Helmets - Should you? and Which?

[almost canadian]

http://www.nctimes.net/news/110900/zz.html
sounds like the helmet definately helped in this one too.

here's yet another good reason
http://www.rotor.com/Committees/pdf/vor-9701.pdf

This one tops it all,
I saw this picture before, but had a hard time finding it again.
For any non believers out there, let this be a lesson>
http://www.tc.gc.ca/aviation/syssafe...glish/538e.htm