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New Delhi: A year after one of the deadliest aviation disasters in recent memory, the families of those killed in the Air India Ahmedabad crash are no closer to knowing what brought the Boeing 787 Dreamliner down, mere seconds after taking off. The Aircraft Accident Investigation Bureau (AAIB) is expected to release its report AI-171 flight crash on Friday (June 12), an official source told Hindustan Times. However, the document will not resolve the cause of the tragedy as the plane’s engines’ examination is still underway.

A Reuters’ report, published on Thursday (June 11), corroborates this claim. The report says investigators were expected to delay issuing a final report, citing a pending analysis of the plane’s G.E. Aerospace-made engines that have been at the epicentre of the probe into the fatal crash, killing 260 people on June 12, 2025.

AAIB is set to broadcast an update which is not “even a status or interim report,” outlining the work completed and areas still under inspection. “It is essentially an update that investigating authorities are expected to provide when a final report cannot be released within a year,” a civil aviation ministry source informed HT. “It will provide a sense of where the investigation stands and the work that has been completed. But it should not be seen as a document that will establish the cause of the accident,” they added.

The release follows an obligation under the International Civil Aviation Organisation’s Annex 13, which mandates either a final report or a progress update within a year of any accident, as per international regulations.

Investigators reportedly conducted engine-related testing in April and visited France in May to study the engine management unit. Bloomberg News on Thursday (June 11) reported that the final report into the crash is expected within roughly three months after evaluation of the engines – sent to the United States – is complete.

Indian pilots union oppose interim update

As per the HT report, the Federation of........

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