Patent US 6,909,381

An aircraft collision avoidance system utilizing video signals of the air space surrounding the aircraft for determining whether an object, such as another aircraft, is too close. Use is made of various types of monitors to display the on coming object and its location relative to the protected aircraft. An audio alarm is provided for alerting the pilot of the danger as well as providing localization information. Video recordings store information for accident and near miss studies. The video signals can also be used for the entertainment of airline passengers. One preferred embodiment of the invention permits ground based experts to point out interesting objects that are visible due to the improved view provided passengers.