Abstract: A commodity shipment data management system includes a loader computer for storage of shipment data in a loader database. The system prompts the user to enter values for shipment data parameters, and prevents entry of invalid values. Data may also be entered remotely by wireless transmission. A GPS receiver collects loader location data and sends it to the loader computer. An output device records shipment data on a portable data storage medium which accompanies the shipment and is read into a destination weighscale computer. The system minimizes manual entry and transfer of data, reducing the risk of human error in data entry, and enhancing the reliability of the data. The GPS data facilitates verification of the geographical source and chain of custody of the shipped commodity, and, combined with data gathered by loader function sensors, facilitates detection of errors and fraudulent activity in connection with commodity shipments.