In this book are considered the principles construction of intercom systems, schemes features, controls appointment and the features using. The accent is made on the most using equipment, which is installed on the civil aviation aircrafts majority. Study guide for pilots and also to anyone who wants to become a pilot.

Askhat Khafizov is a lecturer at the Flight Academy of the National University of Ukraine and has extensive experience for the training pilots of civil aviation. She is the author of over fifty educational and scientific publications.