MIL-STD-1374A, MILITARY STANDARD: WEIGHT AND BALANCE DATA REPORTING FORMS FOR AIRCRAFT (INCLUDING ROTORCRAFT) (30 OCT 1977) [S/S BY SAWE-RP8]., This document covers standard weight statements and forms Parts I, II, and III hereof, for procurement of weight and balance data for aircraft (including rotorcraft), states the principles followed in the formulation of these standards, furnishes instructions where necessary for uniform compilation of the required weight and descriptive data, and provides a glossary of terms for which definitions may not be self-evident on the weight statements and forms.