← Questions|العربية
Radio Navigationmedium#1142

GBAS (Ground-Based Augmentation System) is used for:

A

En-route navigation only

B

Satellite orbit determination

C

Oceanic navigation

D

Precision approaches at individual airports using local ground reference stations

Correct

Explanation

GBAS provides local differential corrections from ground reference stations at an airport, enabling CAT I (and potentially CAT II/III) precision approaches.

Ready for a timed quiz?

Test yourself with random questions from Radio Navigation and all other ATPL subjects.

Start a Practice Quiz