 This was the first midair collision involving a U.S. airliner.On January 19, 1930 TAT-Maddux Flight Number 7, a Ford 5-AT-C Tri-Motor crashed north of Oceanside, California.Flying from the races at Agua Caliente Racetrack, near Tijuana, Mexico to Los Angeles, the plane encountered rain, low clouds, fog, and possibly engine problems.