But on Monday, the US ambassador to Nato said his country's data "corroborates Turkey's version of events".
"The airplane was in Turkey, it was engaged in Turkey, it had been warned repeatedly," Douglas Lute said. "There was no flight plan issued for a violation of Nato airspace."
Two Russian pilots ejected from the plane and parachuted onto Syrian land but only one survived the shoot down. The body of the dead pilot was flown back to Russia on Monday.
Oleg Peshkov was repatriated from Ankara after his body was brought from Syria to Turkey and given over to Russian diplomats. The Russian defence ministry claims he was shot dead from the ground.