You Are on the Scene of a Motor Vehicle Collision

You are on the scene of a motor vehicle collision and must look for an area to land a medical helicopter. As such, what would be best?

A) Flat sloped square area 40 × 40 feet free of debris
B) Small flat concrete lot with light posts on all sides
C) Level and well-maintained parking lot that remains half-filled with cars
D) Open field that is level, but 250 feet from the accident