The focus of the Paris Airshow just shifted.The biennial junket opens Monday with a very different feel than investors expected. Typically, an air show is a time to collect billion-dollar orders, rub elbows with industry insiders,

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

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.