Pune, July 12 -- Aviation expert Sanjay Lazar on Sunday said that the preliminary report by the Aircraft Accident Investigation Bureau (AAIB) on the Air India flight 171 crash raises more questions than answers, and expressed that the investigative authority should have made the transcript of cockpit voice recorder (CVR) public.

He said that informing the public about only "one line" from the cockpit conversations about "switches" raises more questions.

"The AAIB report raises more questions than it answers. There are a lot of gaps, which might be filled once the investigation goes further. However, I've had a few issues. How was the US media alerted three days ago? Everyone carried it out, and something does seem correct here. The AAIB...