Time-Speed-Distance

Definition

The fundamental navigation relationship where Distance equals Speed multiplied by Time. Used for dead reckoning calculations, ETA estimation, and fuel planning. The aviation E6B flight computer mechanizes these calculations.

Related Terms

Dead Reckoning(DR)

A navigation method of estimating current position by advancing a known position...

Ground Speed

The actual speed of the aircraft over the ground, determined by true airspeed mo...

Fuel Planning

The process of calculating required fuel for a flight including taxi, trip, cont...

Test your knowledge

Think you understand Time-Speed-Distance? Challenge yourself with practice questions covering navigation and all other ATPL subjects.

Start a Practice Quiz

Or browse all >1,300 questions by subject