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SESK: Stuff Everyone Should Know · sesk.info/drone-warning-area-offshore-hazard

Where does a warning area begin relative to the U.S. coast?

It extends from 3 nautical miles outward from the coast.

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  1. At the shoreline
  2. From 3 nautical miles outward ✔
  3. Only beyond 100 nautical miles

Why: A warning area begins 3 nautical miles outward from the U.S. coast. It warns nonparticipating pilots about activity that may be hazardous.

Huh, didn't know that: Warning areas are charted with a W followed by a number, such as W-237.

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Why did the warning area speak up? It wanted everyone to get the message.
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References

Answer: From 3 nautical miles outward. A warning area begins 3 nautical miles outward from the U.S. coast. It warns nonparticipating pilots about activity that may be hazardous.

  1. FAA Remote Pilot Study Guide www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/remote_pilot_study_guide.pdf
    extending from 3 NM outward from the coast of the United States
    Checked 2026-10-09.

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