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Outside Alaska, when does rule 91.209 require an aircraft's position lights in flight?

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  1. From sunset to sunrise
  2. Only during civil night
  3. Only inside Class B airspace

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References

  1. FAA Aeronautical Information Publication, ENR 1.1 General Rules www.faa.gov/air_traffic/publications/atpubs/aip_html/part2_enr_section_1.1.html Checked 2026-10-09.

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