MIL-HDBK-1028/1C, DEPARTMENT OF DEFENSE HANDBOOK: AIRCRAFT MAINTENANCE FACILITIES (01 APR 1999) [S/S BY MIL-STD-3007]., This handbook is provided as guidance for aircraft maintenance facilities covered by Category Codes 211 and 212 for military real property. It is intended for use by experienced architects and engineers. The contents include design data for buildings and shop areas to provide aircraft maintenance, including airframes, aircraft engines, aircraft weapons systems, avionics systems, air- launched guided missiles, and other related aircraft equipment.