In the cafeteria there is a large sign posted prominently with the instructions to recognize if someone is choking and how toperform the Heimlich maneuver, should it be necessary.
Automobile intelligence already assists the driving experience by warning of dangerous situations and taking control of parking, which is, for some people, the most difficult maneuvertoperform.
The NTSB said other factors leading to the crash included the pilot's inability toperform a crucial flight maneuver known as autorotation after he ran out of fuel.