It also plans to put the system in existing wide-body planes.

The 777, a twin-engine, wide-body plane carrying up to 380 passengers, is now Boeing's flagship.

It will be offered on transcontinental flights and some other flights in wide-body planes.

Air Zimbabwe put defibrillators on its three wide-body planes in February.

The Jets are taking a wide-body plane that Parcells ordered two months ago.

The turbulence results from swirling air that fans out from the wings of airplanes, particularly wide-body planes.

The A330 is intended to compete with Boeing's 767, a two-engine wide-body plane that has been in service for some years.

The carrier has three of the twin-engine wide-body planes in its 315-plane fleet and expects to add four more by the end of the year.

Moreover, he said, most of those lost sales will be wide-body planes like the 747 and 777, which are Boeing's most profitable.

The hazards from turbulence generated by a plane in flight, especially wide-body planes, have been of major concern for many years.