ORIGINAL: flyva
Answer: That special wrench you need to remove the "bung cap" from a few 55 gallon drums of fuel.
All we old timers have said thatfor years and years. But how many times have we sat in the chair to grade the lower classes and clearly see lack of preparation and practice? And more than just occasionally we see top models being used.
Poor flying with a top model is....worse somehow....
You can steer that horse to water but......
ASALWAYS YMMV!