I suspect you wanted to write ADSB instead of NTSB 
and unfortunately, the Live traffic feature based on Flightaware display a very limited number of traffic and no GA small airplanes.
Today an alternative is to use AIG and its injector and a small trick to activate Offline AI to generate GA only without interfering with the liners only generated by AIG: Adding GA flights with AIG traffic - #9 by PhantomStreak