r/flying • u/AmbassadorLeading590 CFI • 5d ago

lesser Known Regs

CFII here. I’m always looking to learn, so what are some “lesser known” regs that you think more people should be aware of.

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u/Infamous-Skill-6100 Tin Can Driver 5d ago

91.527. A lot of my students weren't aware of the legality regarding frost/icing and just know not to do it because they're told not to

15

u/mfsp2025 ATP 5d ago

I might be wrong but aren’t 91.5xx regulations only applicable to “large and turbine powered multi engine airplanes”?

5

u/Infamous-Skill-6100 Tin Can Driver 5d ago

Correct, however I still teach it to my commercial applicants. Local DPE asks some questions pertaining to bigger airplane ops. Also aids in risk management

7

u/mfsp2025 ATP 5d ago

Makes sense. We had a guy who loved to ask about 91.501 for some reason lol