What should you do?
Stay focused on the road and be ready for sudden aircraft noise; do not slow abruptly or stop to watch planes.
How to recognise it
Yellow diamond with a black silhouette of an aeroplane.
Common confusion
The main risk is distraction or being startled by noise, not an obstruction on the road itself.
Explanation written by the My Driving Test editorial team using the Department of Transport Traffic Signs Manual conventions and the RSA Rules of the Road.
