Incident Overview
A pilot was seriously injured after coming into contact with a rotating propeller while trying to stop an airplane that had started moving unexpectedly. The incident occurred during an attempt to connect a car battery to the airplane's battery using jumper cables.
Sequence of Events
According to the pilot's account, he connected his car battery to the airplane's battery with jumper cables and started the airplane's engine. The pilot noted that the airplane's wheels were not chocked and the parking brake was not set. As he detached the jumper cables from the airplane's battery, the airplane "started to taxi."
In an effort to stop the airplane, the pilot held onto the wing strut and instructed a passenger inside the airplane to step on the toe brakes. During his second attempt to detach the jumper cables, the airplane moved forward again. The pilot stated, "I ran around again to stop the plane [and] I ran into the prop…"
Injuries and Damage
The pilot sustained a serious injury to his left arm as a result of the contact with the propeller.
Operational Context
The airplane was not secured with chocks or a parking brake at the time of the event. The pilot used jumper cables to provide starting power from a car battery. The specific make, model, or registration of the aircraft was not disclosed in the source.
Pilot Statement
The pilot's own account, as provided in the source, describes the chain of actions leading to the injury. No further detail regarding weather, time of day, or air traffic control involvement was included in the original report.