Roberts is the principal international airport in Liberia, and one of only two with paved runways in the nation.
China's principal airports carry out body temperature monitoring measures (to identify anyone travelling with a fever).
Compare this with Heathrow as we head into the summer at our principal airport.
Blackbushe was also considered during war in consultations to determine the creation of London's post-war principal civil airport.
Ranked among the world's principal airports, they are and will continue to be key to the region's growth.
The storm had severely damaged Guatemala's principal airport with rain induced floods.
About a dozen airports capable of accommodating large aircraft service the country; the principal international airport is located near Casablanca.
It is the principal airport of the island.
For all practical purposes the obliteration of that principal airport didn't matter.
Sydney Airport, Sydney's principal airport, takes up a large part of the suburb.