Contaminated fuel on the ground can lead to serious problems in the air. Here's an example of pilots that sumped their fuel and still had a contamination-related engine failure.
You're flying an ILS through icing conditions and your airspeed suddenly begins decreasing. Your pitot tube is covered in ice. What would you do? Here's what happened to this pilot.
It's always a good idea to preheat your plane before you head out for a flight on a cold winter day. But how should you preheat your plane? And when should you do it?