IHST: How Risky are Helicopter Operations Compared to Other Types of Aviation?
IHST: Worldwide Civil Helicopter Accident Trends (Powerpoint)
IHST: What is Being Done to Enhance Helicopter Safety?
IHST: 21 Safety Bulletins
IHST: Do Private Helicopter Pilots Have the Most Accidents Because They Fly the Most Hours?
IHST: Media Fact Book 2014
IHST: Which Helicopter Operations Pose the Highest and Lowest Risk for Accidents?
IHST: What are the Causes of Most Fatal Helicopter Accidents?