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AhaBulb: Stuff Everyone Should Know · ahabulb.com/sport-metar-broken

In a METAR, 'BKN' means the sky is covered by how much cloud?

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References

  1. FAA Pilot's Handbook of Aeronautical Knowledge, Chapter 12 www.faa.gov/sites/faa.gov/files/14_phak_ch12.pdf Checked 2026-10-11.
  2. FAA Pilot's Handbook of Aeronautical Knowledge, Chapter 13 www.faa.gov/sites/faa.gov/files/15_phak_ch13.pdf Checked 2026-10-11.

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