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AhaBulb: Stuff Everyone Should Know · ahabulb.com/pilot-oxygen-no-oil-grease

Why must oil and grease be kept away from aircraft oxygen equipment?

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  1. They clog the oxygen mask
  2. They may ignite when exposed to oxygen
  3. They lower the oxygen bottle pressure

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References

  1. Pilot's Handbook of Aeronautical Knowledge FAA-H-8083-25C, Chapter 7 www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/phak/09_phak_ch7.pdf Checked 2026-10-09.

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