14 CFR § 61.53 – Prohibits aviation operations during a medical efficiency. The IMSAFE checklist was first published in the Aeronautical Information Manual and highlights the pre-flight aeromedical elements pilots should use to assess their flight fitness. You can also take a flight fitness quiz here.
| I | Do I have an illness or any symptoms of an illness? | |
| M | Have I been taking prescription or over-the-counter drugs? | |
| S | Am I under psychological pressure from the job? Worried about financial matters, health problems or family discord? | |
| A | Have I been drinking within eight hours? Within 24 hours? | |
| F | Am I tired and not adequately rested? | |
| E | Am I adequately nourished? |
