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NTSB Issues New Safety Alert Warning of Jet Fuel Contamination

An Embraer Phenom.
Embraer Phenom [Credit: Embraer]
Gemini Sparkle

Key Takeaways:

  • The NTSB has issued a safety alert warning of jet fuel contamination by Diesel Exhaust Fluid (DEF), which can lead to engine power loss.
  • DEF, a clear, colorless liquid, is easily mistaken for other aviation fluids due to improper labeling and storage at airports.
  • When mixed with jet fuel, DEF forms crystalline deposits that accumulate on engine components, causing fuel system blockages.
  • The NTSB recommends that fuel providers ensure all chemicals are stored in properly labeled containers, specifically adding "NOT FOR AVIATION USE" to DEF containers.
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The National Transportation Safety Board on Wednesday issued a new safety alert warning sellers of jet fuel to take measures to prevent contamination of Jet-A by diesel exhaust fluid.

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