Student pilots, keep out
| BOSTON
Concern about overcrowded skies has prompted the Federal Aviation Administration to ban solo flights by student pilots at 12 airports.
Andrews Air Force Base
Atlanta Hartsfield
Chicago O'Hare
Dallas-Fort Worth
John F. Kennedy, New York
LaGuardia, New York
Logan, Boston
Los Angeles
Miami
Newark, N.J.
Reagan Washington National
San Francisco
Source: FAA