Some points from the Iranian statement:
* "human error”
* a promise to bring those who made the mistake to justice and make reforms in its air defence system.
* "Iran’s armed forces were at the highest alert levels to respond to threats by the US president and armed forces to hit back [at] many targets in Iran in case of [Iran’s] retaliation,”
* the aircraft “while turning, looked like getting close to a sensitive military centre of the guards” which radar systems identified as a “hostile object . . . and by human error and unintentionally shot down the plane "