The apparent shootdown of a Malaysian jetliner over war-torn eastern Ukraine could bring some costly changes to the world's airlines, and to their passengers.
The airlines might have to be more vigilant about avoiding trouble spots. And that would make flights longer, and cause them to burn more fuel. The extra expense is often passed on to passengers through higher fares.
The airlines may even be forced to reconsider some international routes.
In the hours after Thursday's disaster, carriers began rerouting flights to avoid Ukraine. Some airlines had already been doing so for weeks.
Experts have been questioning the decision of Malaysia Airlines to fly near the fighting between pro-Russia rebels and the Ukrainian government. But Malaysia's prime minister says the route had been declared safe by international aviation authorities.
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