Boeing, which builds more than half the world's commercial airliners, is understandably keen to draw attention to what can go wrong besides planes.
A jet airliner does not admit of careless handling.
The pilot of an airliner is responsible for the safety of passengers.
To fly big passenger airliners calls for long training and experience.
A recent analysis by Boeing forecasts that unless safety is improved, jet airliners could be falling out of the sky at the rate of once a week by the year 2010.