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SESK: Stuff Everyone Should Know · sesk.info/sport-mosaic-pilot-date

On what date did MOSAIC's sport pilot rule changes take effect?

October 22, 2025.

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  1. July 24, 2025
  2. January 1, 2026
  3. October 22, 2025 ✔

Why: The MOSAIC final rule was published July 24, 2025. The sport pilot and repairman changes took effect 90 days later, on October 22, 2025. Light-sport aircraft certification changes came a year after publication.

Huh, didn't know that: The FAA announced the final rule in Oshkosh, Wisconsin, on July 22, 2025.

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References

Answer: October 22, 2025. The MOSAIC final rule was published July 24, 2025. The sport pilot and repairman changes took effect 90 days later, on October 22, 2025. Light-sport aircraft certification changes came a year after publication.

  1. Federal Register, MOSAIC Final Rule (govinfo) www.govinfo.gov/content/pkg/FR-2025-07-24/html/2025-13972.htm
    This final rule is effective October 22, 2025, except for amendatory instructions
    Checked 2026-10-11.
  2. FAA announcement, July 22, 2025 www.faa.gov/newsroom/us-transportation-secretary-sean-p-duffy-announces-improvements-recreational-aviation
    Changes for sport pilots and light-sport repairmen take effect 90 days after the final rule publishes.
    Checked 2026-10-11.

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