It would be pretty easy to match a phone location to a logbook if logbook trolling were to take place retrospectively. Add that to accessing weather forecasts would be on record. Even your data card could be traced from your data service using OZRunways or Avplan. The potential is almost endless...
Keep your nose clean as they say, stay out of trouble and you won't have a problem, because there's not much you can do about it other than go off the grid completely!