The 1976 Tehran UFO Incident  was a radar and visual sighting of an unidentified flying object (UFO) over Tehran, the capital of Iran, during the early morning hours of 19 September 1976. During the incident, two Imperial Iranian Air Force F-4 Phantom II jet interceptors reported losing instrumentation and communications as they approached the object.
In September 1976, a mysterious aerial sighting occurred in Tehran, Iran, involving an unidentified flying object (UFO) that was detected by radar and observed visually. Two Iranian fighter jets, an F-4 Phantom II, lost their instruments and communication systems while attempting to intercept the object.