Who is investigating the Delta Flight 4819 crash?

The crash of Delta Flight 4819 is being investigated by Canadian authorities with assistance from officials at the Federal Aviation Administration (FAA). The investigation is focused on determining the cause of the accident, which occurred during severe weather conditions causing the aircraft to flip and catch fire upon landing. Authorities are examining whether the crash resulted from weather challenges or mechanical failure. This collaborative international investigation comes amid concerns about aviation safety oversight due to recent government staff terminations.