Incident Overview
A solo student pilot flying a Grumman AA5B reported experiencing symptoms of vertigo while maneuvering in a local training area. At the onset of the symptoms, the aircraft was on a westerly heading during the late afternoon, and the pilot was looking through the propeller. Despite the disorientation, the pilot successfully navigated back to his home airport.
Landing and Collision
During the landing attempt, the pilot lost directional control. The aircraft departed the runway and collided with an airport sign. The pilot was not injured in the accident.
Medical Records
Examination of the pilot's medical records revealed that he was treated by a physician for symptoms of vertigo in the days following the incident.
Reference to FAA Handbook
The Federal Aviation Administration Airplane Flying Handbook (FAA-H-8083-3A) defines flicker vertigo as "a disorienting condition caused from flickering light off the blades of the propeller."