If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar, most of the private-plane traffic would be forced to use outlying airfields. Such a reduction in the amount of private-plane traffic would reduce the risk of midair collision around the centrally located airports.
The conclusion drawn in the first sentence depends on which of the following assumptions?

Question

Examsnet · Accepted Answer

Correct Answer is :  Most private planes that use centrally located airports are not equipped with radar.

GMAT Verbal Reasoning Practice Test 4