Without actual pages to dog-ear, readers are at the mercy of the e-books' electronic navigation.

Elm also takes full advantage of the latest developments in electronic navigation and charting.

The hours that were eliminated involved training in electronic navigation and communication with air traffic controllers.

Originally, race participants were only allowed to use celestial navigation; electronic navigation was added in 1997.

Competition is heating up between Avis and Hertz over which car-rental company offers the best electronic navigation aids.

"We teach sunrise and sunset star sets, electronic navigation and meteorology."

But electronic navigation lets them give an exact latitude and longitude right away.

As popular as electronic navigation has become, there are some boaters who prefer to navigate with paper charts.

Motorised winches, electronic navigation and sonar systems are usually installed.

The aircraft had excellent accuracy with the aid of an automatic electronic navigation and weapons delivery system.