Predictive windshear systems provide warnings:

10-30 seconds before encountering windshear on approach or departure

Correct

Only during cruise flight

After windshear has been encountered

Only on the ground

Explanation

Predictive windshear systems use forward-looking radar to detect windshear 10-30 seconds ahead, giving crews time to avoid or prepare.

Test yourself with random questions from Operational Procedures and all other ATPL subjects.