Global Positioning System(GPS)

Definition

A satellite-based navigation system providing precise three-dimensional position anywhere on Earth. GPS has become the primary means of navigation in modern aviation, enabling RNAV and RNP approaches.

Related Terms

Area Navigation(RNAV)

A method of navigation that allows aircraft to fly any desired flight path witho...

Required Navigation Performance(RNP)

A specification for RNAV systems that includes onboard monitoring and alerting c...

Wide Area Augmentation System(WAAS)

A GPS augmentation system providing improved accuracy, integrity, and availabili...

Test your knowledge

Think you understand Global Positioning System? Challenge yourself with practice questions covering navigation and all other ATPL subjects.

Start a Practice Quiz

Or browse all >1,300 questions by subject