This detail specification covers the preparation of the Sample Basic Weight Checklists and Loading Data aircraft manuals. These manuals consist of TO 1X-XXXX-5-1, Sample Basic Weight Checklists (Chart A) and TO 1X-XXXX-5-2, Loading Data (Chart E) as approved for use in TO 1-1B-50 and development under provisions of SAWE-RP7 (previously MIL-W-25140). This specification provides for electronic delivery of data through the use of the Document Type Definitions (DTD) contained in Appendixes A and B.