This teacher's guide is designed to aid teachers in leading students through a module on aircraft welding on airframes. The module contains four units that cover the following topics: (1) gas welding and cutting; (2) brazing and soldering; (3) shielded metal arc welding; and (4) gas tungsten arc welding. Each unit follows a standardized format that consists of the following components: introduction and module objective, specific objectives, instructor's implementation guide, technical information supplements, transparency masters, workbook supplements, answers to workbook supplements, project guides, theory test, and answers to theory test. A course test with answer key completes the package. (KC)