14 CFR § 61.53 – Prohibits aviation operations during a medical deficiency. 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 that could affect my ability to fly? | |
| M | Have I been taking prescription or over-the-counter drugs that could affect my flight ability or performance? | |
| S | Am I under pressure or stress that could impact my flight ability or performance? | |
| A | Have I been drinking within the last 8-24 hours? Am I currently under the influence or experiencing the effects of alcohol? | |
| F | Am I tired? Have I had enough sleep and am I adequately rested? | |
| E | Am I adequately nourished and hydrated? Is my diet generally healthy? |
