1.   They will be helped by the very latest in navigation aids.

2.   At many airport in Alaska and elsewhere, the ground-based navigation aids provide direction only to the runway centerline.

3.   Before war fractured Yugoslavia, the Dubrovnik airport had what is called an instrument landing system, an electronic navigation aid that guides pilots both horizontally and vertically.

4.   --A small screen rising from the center console ahead of the shifter, which will display maps and other navigation aids.

5.   But in these cases, because the full complement of conventional aviation navigation aids is still in place, the jamming was only an inconvenience.

6.   Coast Guard crews also concluded navigation aids were working properly.

7.   FAA PLAN ENCOUNTERS HURDLES The Federal Aviation Administration is trying to replace its aging nationwide network of radio beacons and other navigation aids with a satellite-based system.

8.   Investigators found that the pilots flew an approach as if all navigation aids used in instrument landings were working, but they were not.

9.   Models loaded with marine navigation aids can also be used for fishing and boating.

10.   One of the hottest trends was navigation aids for cars using the Global Positioning System, a satellite-based network for determining precise location of a receiver.