The sixth edition of this popular manual has been updated to reflect changes in Federal Aviation Regulations. The book gives an overview of IFR operational requirements and helps establish patterns of aeronautical decision making pertaining to instrument flight. Divided into five parts, the book covers airplane instruments, systems, navigation, communications with ATC, and a hypothetical trip using the knowledge gained in the first four sections. Numerous illustrations aid in visualization. This book covers everything students need to know to obtain an FAA instrument rating and will be a valuable aid to instructors.