Without an air traffic control tower, it's a calculated dance that requires communication by pilots. Two small planes collided in midair over one of the runways on the outskirts of Tucson last week.

Without an air traffic control tower, it’s a calculated dance that requires communication by pilots. Two small planes collided in midair over one of the runways on the outskirts of Tucson last week.

City officials agreed to move forward plans for the new air traffic control tower at Columbus Municipal Airport.

The Federal Aviation Administration found multiple obstructions in air traffic controllers' lines of sight at Des Moines' ...