Title: Describe satellite radio navigation systems (RNAV).
Course: Aircraft Pilot Training I (20053-I) > Section: Understanding Airport Operations

Description should include the following:

- The GPS is a satellite-based RNAV.
- Development of the system is underway so that GPS is capable of providing the primary means of electronic navigation. Portable and yoke-mounted units are proving to be very popular in addition to those permanently installed in the aircraft. Extensive navigation databases are common features in aircraft GPS receivers.