It is not only the Chinese who are taking a robust attitude to demonstrating their confidence in their bug fixes. Jane Garvey, the head of the US Federal Aviation Administration, has pledged to fly across America on New Year's Eve to show that US flight systems are safe.
However, critics point out that such gestures mean little. What really counts is how easy or difficult it is to take off or land.
The fear is that ground-based air traffic systems will fail, and cause problems for the arriving flyers. As the Chinese, among others, also say: "It is better to travel hopefully than to arrive."
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