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SESK: Stuff Everyone Should Know · sesk.info/pilot-vfr-cloud-clearance-cde

Below 10,000 feet MSL in Class C, D or E airspace, what VFR cloud clearance applies?

500 feet below, 1,000 feet above, 2,000 feet horizontal.

  1. 500 below, 1,000 above, 2,000 horizontal ✔
  2. Clear of clouds
  3. 1,000 below, 1,000 above, 1 mile horizontal

Why: Rule 91.155 gives Class C, D, and E below 10,000 MSL the classic 500, 1,000, 2,000 cloud clearance with 3 miles visibility. The bigger 1,000 and 1 mile numbers apply at and above 10,000 MSL.

Huh, didn't know that: Class G more than 1,200 feet AGL and below 10,000 feet MSL uses the same 500, 1,000, 2,000 clearances, day and night.

The dad joke
What do clouds wear under their shorts? Thunderwear.
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Sources

  1. 14 CFR 91.155 Basic VFR weather minimums (eCFR) https://www.ecfr.gov/current/title-14/chapter-I/subchapter-F/part-91/subpart-B/subject-group-ECFR4d7cd0e3cc4be86/section-91.155

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