Once airborne, each bird is tracked from dawn to dusk.

Once airborne, the two planes circled the field once then headed north.

Once airborne, he pointed out, satellites are inexpensive to maintain.

Once airborne, however, Amy looked out the window and immediately panicked.

Once airborne, the plane can track friendly and enemy aircraft over a 300-mile radius.

Once airborne, however, the type proved easy to fly.

He loves cheese, trinkets, and getting safely to the ground once airborne.

Once airborne, one wondered what all the hype was about.

And, once airborne, why do they not fall back down like a baseball?

Under those rules, an airball, once airborne, can be captured by any player.