C130_Helo_refuelHere are a few good products I have come across to help improve safety in helicopter operations.

International Helicopter Safety Team (IHST)
The IHST Goal is to reduce the helicopter accident rate by 80% by 2016. One way to do that is to incorporate a Safety Management System (SMS)


IHST HeliExpo Briefing from HAI 2009

Check out the presentations from CASA on the IHST website.

Confined Area Landings (CAL) Safety Brief on ppt
NTSB HEMS Public Hearing 2009 Summary