Am I fit to fly? Health, drugs and alcohol

(Am I Fit to Fly?)

Before every flight, ask one honest question: "Am I fit to fly?" Not just legally current: actually fit, today, to do the physical and mental job of pilot-in-command. A complaint that's trivial on the ground can be serious under the stress of flight and altitude. This section is the self-check, and the numbers (stand-down times, the alcohol rule) are favourite exam fodder.