Despite the skill level developed in other operations, making perfect landings can be elusive for many pilots. It's sad but true: A pilot can fly smoothly around thunderstorms, never see the ground for hours, and break out after a perfectly-flown ILS only to have some difficulty in the landing and his passengers will come away doubting his abilities. What are the elements of a perfect landing? What about when ATC throws you a curve or two? AVweb's Howard Fried tackles these and other elements of the perfect landing. How many have you mastered?