Which aircraft fuel quantity indicating system incorporates a signal amplifier?

The electronic fuel quantity indicating system incorporates a signal amplifier as part of its design to provide accurate and reliable fuel quantity readings. In this system, fuel quantity data from the various sensors is often weak and requires amplification to ensure that it can be effectively processed and displayed to the pilots. The signal amplifier enhances the incoming signal's strength, allowing for precise readings on the cockpit displays.

Electronic systems are favored in modern aircraft due to their accuracy, lower weight, and ability to integrate with other digital aircraft systems, providing not only fuel quantity information but also other related data such as fuel flow rates and tank pressures. The use of a signal amplifier is crucial to overcoming signal loss that can occur due to distance or interference, thereby enhancing the overall integrity of the fuel monitoring system.

In contrast, other systems like electrical, sight glass, and pressure-based systems have different mechanisms and do not typically utilize signal amplifiers in the same way that electronic systems do. This differentiation highlights the advanced technology incorporated into electronic systems and their role in modern aviation safety and efficiency.