A method, system and computer program product to detect and indicating TFR zone violations, potential TFR zone violations or TFR zones in vicinity of an aircraft and indicating measures to avoid or exit a TFR zone are provided. TFR zone information and an aircraft's position information are received....http://www.google.fr/patents/US7957853?utm_source=gb-gplus-shareBrevet US7957853 - Flight restriction zone detection and avoidance
