If you fly airplanes then you need to know how easily a flight display discrepancy can lead to a aircraft accident.    Jurg Grossenbacher, from the Milwaukee FSDO, will take you a quick Wisconsin accident review however the main theme that we will discuss three accidents that occurred both; during a beautiful VFR day and one that occurred at night in Instrument flight conditions. We will discuss the accident and how easily that one item could be missed by a pilot. We will discuss:     Preflight still matters     Checklists still matter     Final check while on runway (Heading on DG vs Runway Heading)     Aeronautical Decision Making     Confess to ATC use CRM     Proficiency is so important! Train, Train, Train, with a knowledgeable, professional Flight Instructor     Simulators are the best tools available