Dead-reckoning n. : See under Dead, a.

Example:
Navigating an airplane by "dead reckoning?"?

Taxonomy
dead reckoning, speed, positions, plot, encoder, reckoning, free encyclopedia, marine navigation, engine speed, the Oxford English Dictionary, Air navigation, sensors, navigation system, T1, T2, ticks, Animal navigation, estimates.

Defination from the web:
Dead reckoning (DR) is the process of estimating one's current position based upon a previously determined position, or fix, and advancing that ... In a dead-reckoning navigation system, the car is equipped with sensors that record the wheel rotation and steering direction. ...