Fuel history for each fuel tank (each fuel compartment); control loading and uploading fuel; Localize points of fuel loading and uploading; Prevent fuel drain, fuel fraud and fuel manipulation. Real information about fuel level in fuel cargo tanks (fuel compartments); remotely continuous monitoring fuel cargo tanks (fuel compartment); accuracy automatic fuel level measurement in cargo tanks; Detailed information about fuel fueling and draining in cargo tanks or cargo compartments; Fueling and draining fix with time stamp and location; Detailed fuel history in cargo fuel tanks; check point of fuel loading and uploading; collects and stores information about fuel in cargo tanks or compartments for detailed analysis.