12 (approx)
1152
about one
Airplanes land at airport or airstrip or any flat level land.
No airplanes can land in an airport. They land on the runway.
the time is when airplanes land
Almost every country in the world now has airplanes.
Runway
airplanes need wings so they can glide and land correctly
Helicopters can land where airplanes cannot.
more than two million
There are no paved runways in Antarctica. Airplanes land on skis, not wheels, on runways of ice.
That is the 'runway'