61.   The investigative teams will include experts on, among other things, aircraft structure and systems, engines, air traffic control and human performance.

62.   The plane was circling to lose altitude and dump fuel when it stopped communicating with air traffic control, and then crashed.

63.   The single-color Nomad display could also be used for the controls of industrial machines and aviation, including air traffic control.

64.   There are new seat fabrics, push-button air recirculation controls and, for the uplevel LE model, a rearview mirror with integrated map lights.

65.   There is no air traffic control for much of the region.

66.   Their job is air traffic control and circulation and loading and unloading humanitarian aid that comes in.

67.   These planes provide air traffic control in battle situations.

68.   Though city officials officially initiated air pollution controls a decade ago, little has changed in the rapidly growing metropolis.

69.   TRW is also looking to sell its systems integration services, targeting areas such as air traffic control and taxation.

70.   Two investigators also said that before the first trouble call to air traffic control, the crew appeared to be running through a checklist for pneumatic problems.