This manual is one of a series of training manuals prepared for enlisted personnel in the Navy and Naval Reserve who are studying for advancement according to the Aviation Structural Mechanic E (AME) rating. The text is based on the professional qualifications for the rates AME3 and AME2. Contents include a 10-chapter text and a reading list (which includes United States Armed Forces Institute (USAFI) texts recommended as study material for AME personnel) and a subject index. Chapter headings are (1) Aviation Structural Mechanic E Rating, (2) Aeronautic Publications, (3) Handtools, Tubing, and Flexible Hose, (4) Corrosion Control, (5) Pressurization and Air-Conditioning Systems, (6) Utility Systems, (7) Gaseous Oxygen Systems, (8) Liquid Oxygen Systems, (9) Egress Systems, and (10) Line Operations and Maintenance. (HD)