The National Transportation Safety Board (NTSB) has released the preliminary report on the fatal midair collision between a B-17G and P-63F Kingcobra during the Wings Over Dallas airshow on November 12. According to the NTSB report, there were no altitude deconflictions briefed before the flight or while the airplanes were in the air.
Altitude deconflictions procedures are established in the event pilots find themselves at an improper altitude during the flight.
