ASA Pilot's Manual: Instrument Flying
An Instrument Rating opens new doors�enabling a pilot to fly more, day or night, in clear or cloudy weather. A pilot with an Instrument Rating is a skilled aviator who has demonstrated mastery of the airplane�s instrument systems and can use preflight and enroute information, aeronautical decision making (ADM), and their knowledge of procedures and regulations to execute a safe flight. The Pilot�s Manual: Instrument Flying