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AhaBulb: Stuff Everyone Should Know · ahabulb.com/scout-flashlight-sos

How do you flash SOS with a flashlight?

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  1. One long flash every minute
  2. Two quick, two slow, two quick
  3. Three quick, three slow, three quick

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References

  1. National Park Service, Outdoor Emergency Plan www.nps.gov/subjects/healthandsafety/upload/NPS-Outdoor-Emergency-Plan-508c.pdf Checked 2026-10-09.

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