Aeronautical decision making, or ADM, is the systematic approach to identify hazards, assess the risk, and determine the best course of action in an aviation environment.
With ADM, the pilot maintains situational awareness to determine changes in the environment in order to make appropriate risk management decisions. The decision-making process is structured using various models. Using a model helps ensure that appropriate risk management techniques are applied consistently.
FAA-H-8083-25B Pilot’s Handbook of Aeronautical Knowledge 2-14
FAA-P-8740-69 Aeronautical Decision Making
FAA AC 60-22 Aeronautical Decision Making