Air traffic control communications between Tehran airport tower and an Aseman Airlines flight show that Iran knew about the missile strike as it occurred.
The pilot of the Iranian domestic flight EP3768 from Shiraz to Tehran sees the missile and discusses it with air traffic control as the Ukraine International Airlines flight disappears.
Pilot EP3768: – Flares on route, as if from a missile. Should anything like this be happening there? …
Pilot EP3768: – That surely is the light from a missile.
Tower: – It’s not flying toward the city (Tehran), is it?
Pilot EP3768: – It might be… Oh, no it was flying from the direction of the city. …
Tower: – “Ukraine International Airlines” 752, do you read?! (message repeated several times from 02:27 to 04:25, unanswered)
Tower: – “Aseman” 3768, everything, you see nothing else up there?
Pilot EP3768: – Mr engineer, we saw an explosion, a big flare from the explosion, we don’t understand what it is.
Iran has confirmed the authenticity of the recording but is criticizing Ukraine for making it public. They’ve halted cooperation in the probe over the breach.