Between the 1930s and 1950s, air transportation became increasingly important.

The national air transportation system is at or above capacity in many parts of the country.

Americans lost jobs in industries like air transportation no matter where they were working.

Few would comment on the state of Russian air transportation.

These questions need to be answered for the safety of all who use air transportation.

This showed how vulnerable air transportation was to economic forces.

However, none said it was the candidate's main source of air transportation.

As a result, access to air transportation has significantly improved.

They also agreed to begin negotiations on an agreement for air transportation between the two countries.

In fact, the hearings showed that the air transportation system is far from the officials' goal.

The most aggressive lobbying has been before the air transportation board.

Governments have played an important part in shaping air transportation.

Despite air transportation, you can still do that much easier on an island than anywhere else.

They hit land and air transportation all over the world, but ships still had a decent chance of getting through.

But it has not done so without major, and evidently permanent changes in the way companies buy air transportation, he said.

A. The tax generally is imposed on the "amount paid" for commercial air transportation.

It has also reminded us of how addicted we have become to air transportation.

If the property tax isn't changed, you will probably see an erosion of air transportation facilities.

Reduced rates are available in package deals with air transportation.

In particularly difficult terrain, air transportation is now also used (especially helicopters).

There are also separate sets of regulations for sea and air transportation.

Are there any plans for expansion of the air transportation network in Connecticut?

Maritime and air transportation presents two areas that are important for the economy.

It is not yet clear what the air transportation board will do, or whether the political pressure will help United.

The air transportation industry is a very competitive one.