Some navigation units can serve as local time standards, with a precision of about one microsecond ( s).

According to the inertial navigation unit, we're getting pretty close.

The airline flew an Embraer 145 jet for 43 days past the time one of its inertial navigation units should have been replaced.

Brady ran the diagnostics program on the navigation units a last time, then left to complete the ship's course corrections from the bridge.

The only options are the navigation unit and summer performance tires, bringing the potential total price to $22,490.

The interchange format for a map database is not organized well for use by a navigation unit during runtime.

During operation of the navigation unit, the look-aside store is searched each time the main database is accessed.

The missile was fitted with a state-of-the-art inertial navigation unit.

A central touch screen smoothly controls the audio system, navigation unit and other functions.

Now, several companies are trying to bring the air drop into the digital age, combining advances in parachute technology with satellite-based navigation units.