Advice from #lecture ["Pro Tips For CFIs - Accident Analysis"](http://www.faasafety.gov/SPANS/event_details.aspx?eid=125966) on Jan 3, 2023. Before every flight, they were expected to have checked *The Big 3*: Weather, NOTAMs, TFRs This is a similar concept to [[NWKRAFT]], although not based specifically around the regulatory language of [[FAR 91.103 Preflight Action]]. It is more helpful for operations around your home airport, where you already know the takeoff and landing performance, alternates, etc.