Serious incident to the helicopter Airbus EC130 registered N894GT on 28/01/2018 at Memphis, Tennessee [Investigation led by NTSB / United states]

Preliminary data based on the notification from the United States authorities:

During a helicopter Emergency Medical Service (Air Ambulance) flight. Touched down on the Memphis Regional Medical Center Helipad then became airborne again. Descended back to the helipad and landed hard.