Hier noch was von einer anderen Seiten: https://fighterjetsworld.com/latest-news/u-s-satellite-intelligence-reveals-that-ukrainian-airlines-flight-752-was-hit-by-a-surface-to-air-missile-report/19912/?fbclid=IwAR2Qs6-NAAx17-vydJVPLr_rRHx5ktdTzj1NbJ5KcSi0T_DiXlC2gWmqxBE

Aus dem Artikel:

"Iran ... said it would not hand over the black boxes from the aircraft to Boeing, in an unusual move likely prompted by high tensions with the United States."

"Unusual" wäre eher die Übergabe der Black Boxes, soviel zur Fachpresse

ICAO Annex 13 / CHAPTER 5 / INVESTIGATION / RESPONSIBILITY ...
5.1 The State of Occurrence shall institute an investigation into the circumstances of the accident and be responsible for the conduct of the investigation, ...

Chapter 3 / GENERAL
3.3 If a request is received from the State of Registry, the State of the Operator, the State of Design or the State of Manufacture that the aircraft, its contents, and any other evidence remain undisturbed pending inspection by an accredited representative of the requesting State.