Fuel/Airdata Computer Interfaces with nearly every major GPS and Flight Management System Automatically calculates real-timefuel, airdata, & navigation information which is displayed throughthe on-board NAV system, EFIS & TAWS Links aircraft systems & GPS receiver, calculating: - Fuel used, TAS, true air temperature, OAT, barometric pressure correction, density altitude and wind aloft without manual data entry Provides high resolution altitudemanagement in ten-foot increments to 35,000 feet, driving the verticalNAV feature of new generation GPS receivers Data is automatically used by most GPSmanufacturers to substitute for the 4th satellite when not in range,providing 24-hour, 3D position accuracy with 3 satellites