Fuel Inerting Systems

Nitrogen generation (onboard inert gas generating) systems increase aircraft safety by reducing the volatility of the ullage (volume above the fuel) in an aircraft fuel tank. When fuel is used, lowering the fuel level in the tank, the oxygen in the ullage is replaced by non-flammable inerting gas (nitrogen-rich air)preventing combustion. Without sufficient oxygen, even a spark will not cause an incident.

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