This guide is for airplane or helicopter pilots to prepare for their instrument rating practical or checkride. The content is organized by the phases of flight from: Preflight, General IFR flight, Departure, Enroute, and Approach/Arrival. The differences for aircraft categories are specifically addressed, providing clear guidance for a helicopter or airplane pilot. The question-and-answer format simulates the oral portion of the IFR checkride. The questions includes a brief answer with expanded dedications and detailed references.