THE fleet of scheduled airliners in the U.S. is the world's biggest. But there is another commercial air fleet almost ten times as large: the 10,000 aircraft owned by U.S. corporations. Altogether, some 8,000 companies have $200 million invested in planes and ground facilities, and spend about $75 million annually maintaining them. Last year company planes, in flying 370 million air miles, logged 3,250,000 hours flying timemore than all U.S. domestic airlines combined. Their three-year safety record was also remarkable: they have had only one fatality for every 200 million passenger miles (v. 1.6 on commercial airlines).
The astonishing...