USHST call for support: If you want to be in the middle of the effort to improve helicopter safety, send an email message to In the subject line please enter: Join USHST

Each year the U.S. helicopter industry safely flies more than 3.2 million flight hours and every second of every flight must be handled with professionalism.

The USHST strongly encourages aviation safety professionals to review NTSB accident reports with emphasis on the Accident Analysis, Probable Cause, Findings and Recommendations.

Days since last U.S. Fatal Helicopter Accident: