We have recognised that air navigation services are of general and security interest.

Up until now, air navigation has been - and is still - managed by national systems.

He returned to France to be air navigation director until 1993.

Additionally, air navigation services were turned over to a private organization.

We interface with more than 18 air navigation service providers.

To promote safety and efficiency in the international air navigation system.

This report made recommendations for the future of the Nation's air navigation and traffic control system.

It is a threat to sea and air navigation that must be eliminated.

Canada was required to control air navigation and traffic within its borders.

For that reason, I think that the air navigation services will do a good job here.

There are generally two types of air navigation depending on weather.

Several of these figures were marked on our British air navigation charts.

This is to prevent those structures from being a hazard to air navigation.

The Georef system has been used for air navigation, but is rarely seen today.

Can a controller work without being employed by an air navigation service provider?

At the beginning of 2001, civil and military air navigation services, which had been separate until then, were united in a single company, called skyguide.

There are no air navigation charts for the area we are going into.

He has foreseen the future developments of the French civil and military air navigation.

This is fundamental for certain types of service, such as air navigation, for example.

He later extended the use of the plotter to air navigation for small aircraft.

The wind triangle describes the relationships among the quantities used in air navigation.

Khan pointed to the table where several air navigation charts and some papers lay.

Remaining usable, the runway was kept on air navigation charts for many years.

It was mainly dedicated to modernize Indian air navigation system.

"We want to see genuine performance improvements across Europe's air navigation service providers.