Here's a good example of an aircraft that's not fitted with GPS sending dodgy position data in its ADS-B transmissions, and appearing to land quite a long way from the runway.
The airport is reporting its safe arrival!
Rod
An Offset landing as it is seen in 3D mode Pilot's View:
http://www.youtube.com/watch?v=gw2wicGEe2o
wow....lucky is was a dodgy sender and not a drunk pilot ;)