Terry T. Lankford has been a Weather Specialist with the FAA for nearly 30 years, and is the author of three titles in McGraw-Hill's Practical Flying Series: Understanding Aeronautical Charts, 2nd Edition, Cockpit Weather Decisions, and all three editions of this book. He also wrote Aircraft Icing. A pilot since 1967, he also holds single-engine, multiengine, and instrument ratings, as well as an FAA Gold Seal Instructor certificate. An FAA accident prevention counselor, he earned the Flight Safety Award in 1979. Lankford also contributes articles to pilot periodicals.