Vertical Aviation Safety Team (VAST)

US Helicopter Safety Team (USHST)

Unmanned Aircraft Safety Team (UAST)

AOPA Joseph T. Nall Annual Safety Report

Association of Air Medical Services (AAMS)

American Helicopter Society International, Vertical Flight Society

Australian Transport Safety Bureau (ATSB)

Civil Aviation Safety Authority (CASA) Australia

Civil Aviation Authority (CAA) UK – Safety Action Group

Commission on Accreditation of Air Medical Transport Systems (CAMTS)