To prevent vapor lock in fuel lines at high altitudes, which component is typically used?

At high altitudes, the decrease in atmospheric pressure can lead to a reduction in the boiling point of fuel, potentially causing vapor bubbles to form in the fuel lines, a phenomenon known as vapor lock. To combat this issue, booster pumps are employed within aircraft fuel systems.

Booster pumps are designed to maintain adequate fuel pressure and ensure that fuel flows smoothly from the fuel tanks to the engine, even under low-pressure conditions that occur at high altitudes. By keeping the fuel under pressure, these pumps help prevent vaporization, thus reducing the risk of vapor lock. This function is crucial for maintaining engine performance and reliability at higher altitudes where pressure differences can significantly affect fuel behavior.

Other components like fuel filters, fuel injectors, and fuel pressure regulators play important roles in the overall fuel system, but they do not specifically address the problem of maintaining fuel in a liquid state at high altitudes where vapor lock is a concern.