Incident Overview
At the time of the incident, runway 31L was the only active runway. Approximately nine snow removal vehicles were operating on runway 4L/22R to clear snow. The drivers of these vehicles had been instructed to hold short of runway 31L.
Takeoff and Abort
A Boeing 747, registration D-ABYO, received clearance for takeoff on runway 31L. The pilot commenced the takeoff roll but observed a car approaching the runway and immediately aborted the takeoff.
Car Entry onto Runway
The driver of the car believed that runway 31L was closed. Before entering the runway, the driver saw the aircraft and applied the brakes. However, the car slid onto the runway surface.
Consequence
There was no collision between the aircraft and the car. However, the jet exhaust from the Boeing 747 overturned the car, resulting in injuries to the occupants of the car.