"Commercial jetliners" refers to large airplanes that are specifically designed and used for commercial purposes, such as transporting passengers or cargo for airlines.
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This year, he'll put his life on the line to test his design by piloting a hot air balloon by himself to about 50,000 feet, far above the altitude
of commercial jetliners.
The company reports that «more than 10,000 Boeing -
built commercial jetliners are in service worldwide, which is almost half the world fleet.»
Difficult because news images of the burning, gutted Twin Towers stirs up the feelings that followed the impact of four
commercial jetliners into the World Trade Center, the Pentagon and an open field in Pennsylvania on September 11, 2001.
Many people think about
crashed commercial jetliners when they hear the terms «aviation accident» or «airplane crash,» but commercial aviation accidents are just one of many types of accidents that could involve aircraft.
Meanwhile, Google is working on a smaller, cheaper version of the ADS - B technology which would allow autonomous aircraft to communicate their position to one another the same
way commercial jetliners do.
The affected immense blob of water now can hurtle towards shore at speeds faster than
a commercial jetliner!
I don't risk my life on a regular basis, unless you consider flying across the country in
a commercial jetliner, seated in Business First, to be risking one's life.