ICAO investigations explicitly avoid casting blame. I guess the idea is that it is important to be able to do safety investigations even in intransigent jurisdictions:<p><a href="http:&#x2F;&#x2F;www.icao.int&#x2F;secretariat&#x2F;postalhistory&#x2F;annex_13_aircraft_accident_and_incident_investigation.htm" rel="nofollow">http:&#x2F;&#x2F;www.icao.int&#x2F;secretariat&#x2F;postalhistory&#x2F;annex_13_aircr...</a>