SKIDDOMETER BV11 All airports with turbojet traffic should own or have access to a CFME. Skiddometer BV11 is the most reliable and accurate system for determining runway surface friction values. The Skiddometer CFME system is designed for easy towing with any vehicle. It incorporates features and improvements gained from more than fifty years of experience. The product proven lifecycle cost is the lowest in the market. Only a few of the Skiddometer parts are exposed to wear, so maintenance and calibration are only needed once a year. The trailer is designed to last for decades and all models can be updated with current parts and the latest computer system.