1. How close they are to other aircraft in the air.
2. How much stress they are under during a flight.
3. How often they have to work around bad weather.
4. How often they must use their autopilot systems.
5. How difficult it can be to keep up with changing regulations.
6. How challenging it can be to make up for lost time.
7. How much they rely on their instruments to make decisions.
8. How much they depend on their training and experience.
9. How often they must check their plane’s systems.
10. How much time they spend on paperwork and paperwork-related tasks.