Its terrain-following radar can be linked to the aircraft's autopilot - so the plane itself can follow the contours of the landscape at a height of just 100 ft (30 m).
The FAA plans to have a system whereby each aircraft in free flight has a satellite-linked probe that tells the pilot if another aircraft is within 20 miles.
The safety board is the leading authority in the United States on aircraft safety investigations and is looking into the Boston fire, which preliminarily has been linked to a auxiliary battery system.