An introduction to the principles of aircraft digital and electronic systems, this book is written for anyone pursuing a career in aircraft maintenance engineering or a related aerospace engineering discipline. Suitable for those studying towards licensed aircraft maintenance engineer status as part of an EASA Part-66 or FAR-147 approved course, or those taking Aerospace Engineering City & Guilds modules, EDEXCEL National Units, EDEXCEL Higher National Units or a Degree in aircraft engineering. 49 Tables, black and white; 304 Illustrations, black and white