Were they monitoring him so thought this was an American plan and shot first? It's what drumpf would have done.

Why would the Iranians want to blow up a plane with Iranians on it and no Americans??

an Iranian passenger plane in the 80s

A terrible mistake

With the black box and other evidence we will no sooner than later what happened

Someone who had a button to push pushed that button. I doubt it was Iran's idea to shoot down that plane. More like a dumbass error by some junior officer.

There's no good reason why that flight was permitted to take off... into a war zone.

There has to be something there for Trump not to go all hog wild on Iran for doing this. I thought it odd.

And quit denying the obvious

properly linked to the slick Russian radar system.

It's been reported that other planes were flying through Iranian airspace...and this was the only plane shot down, why?

....over 400 miles to any US assets in the region. Way too soon for a missile to track/acquire/hit a plane at that distance.

10 planes had already taken off from same airport...this plane was targeted.

shot down ANY civilian airplane. Whatever our issues with them, the Iranian government is not insane. If deliberate, THIS was an insane act.

So if indeed Iran shot this plane down, there was either a miscommunication, malfunction or mistaken, if reasonable, belief such as this.

Given Trump's impeachment, it is also interesting that the plane was Ukrainian. Hmmm! I too have an inkling of doubt.

Is everyone sure that the missiles were even Iranian? Some SAMs are portable. There are others in the region who would love to see Iran - indeed the entire ME - embroiled in conflict.

*****
No matter what or how, the person who is most to blame for this tragedy is the Criminally Deranged Thug in the WH!

...used a MANPADS (Man-portable air-defense system) ie shoulder fired missile like a Stinger or SA-24 but not sure why they would target a Ukrainian civilian aircraft unless they messed up which plane they were going after.

But there may have been "other actors" covertly in the area.

I wonder whether we will ever know.

If a US Navy frigate can shoot down a passenger plane by mistake during heightened tensions, why should we expect better of Iranian anti-aircraft crews?