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Additives don’t add power, they just keep jet-A safe
When you pull up to the gas pump in your car, you probably don’t think much about what is in your fuel.

When you pull up to the gas pump in your car, you probably don’t think much about what is in your fuel. Perhaps you try to find a certain brand based on the fuel card in your pocket, but usually price is the primary factor. What about when you’re fueling your aircraft? Most corporate aircraft pilots and operators are aware of the fuel system icing inhibitors (FSII) and biocides available as additives for jet-A and jet-A1. But what do these additives actually do, and how often should an owner/operator ensure these additives are introduced into the fuel loaded aboard?

Out of the nearly one dozen additives available for aviation fuels, including corrosion inhibitors, static dissipators and anti-oxidants, corporate pilots flying jet aircraft really have to concern themselves with only two additives: FSII and biocide.

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