This six-volume student text is designed for use by Air Force personnel enrolled in a self-study extension course for avionics instrument systems specialists. Covered in the individual volumes are career field familiarization (career field progression and training, security, occupational safety and health, and career field reference material); specialty administration and aircraft familiarization (supply; maintenance data collection, reporting, and management; supervision; and aircraft familiarization, hardware, and tools); electronic principles (fundamentals of electronics, alternating and direct current circuits, generators and motors, inductance and capacitance, electron tubes, semiconductors devices, analog computers, and binary systems and logic circuit elements); maintenance fundamentals and engine instruments (direct reading pressure gauges, synchros and variable reluctance systems, thrust measurement systems, tachometers and temperature-indicating systems, and vertical scale engine instrument systems); liquid quantity, utility, and recording systems; and flight and navigation instruments (basic pilot-static, electronic pilot-static, and navigation systems; vertical scale flight instruments, angle-of-attack/stall warning and sextants; and instrument systems test equipment). Each volume in the set contains a series of lessons, exercises at the end of each lesson, a bibliography, and answers to the exercises. Volume review exercises and change supplements are included. (MN)