Air India flight AI171, a Boeing 787-8 carrying 242 people, crashed after taking off from Ahmedabad on its way to London.

Air India and Boeing are in the midst of significant turnarounds, but knowing the cause of the crash of Flight 171 will take a lengthy investigation.

Boeing was generating optimism. Then on Thursday a 787 crashed, raising the specter of fresh problems for Boeing and altering the message it planned to send.

Officials say at least 270 bodies have been recovered, while the lone surviving passenger is still under observation for some of his injuries.

The event, which runs from June 16 to June 20, is the industry's largest trade show, where many aircraft orders are typically placed by airlines.

Key Takeaways Boeing shares will likely remain in focus after slumping to end last week following news that one of the company's aircraft was involved in an Air India plane crash.The stock staged a news-driven breakdown from a rising wedge pattern in Thursday's trading session,

The Air India flight fell from the sky on Thursday and killed at least 270 people in Gujarat state, officials said Saturday.

NEW DELHI (Reuters) -Air India and the Indian government are looking at several aspects of the Boeing 787-8 crash in Ahmedabad, including issues with the jet's engine thrust, its flaps, and why its landing gear remained open, a source with direct knowledge told Reuters on Friday.