Unleaded Fuel? No Problem!

baron flyover unleaded fuel

The recent demonstration by the AOPA showcased the ongoing transition towards unleaded aviation fuel, highlighting a significant step in sustainable aviation. On October 31, AOPA President Mark Baker piloted a Beechcraft Baron, which uniquely ran on two different types of fuel: the newly FAA-approved 100-octane unleaded G100UL fuel in one engine and the traditional avgas…

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How to Test a Fuel Sender

test fuel sender multimeter probes resistance

Experiencing a malfunction in your aircraft’s fuel sending unit can be a major safety risk, especially during flight. It could lead to incorrect fuel readings, which might force you into emergency procedures you hoped to avoid. Imagine taking off for a long cross-country flight only to find yourself low on fuel much sooner than anticipated!…

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Why Frequency Output for Fuel Level Indication?

technician testing frequency output multimeter

CiES initially adopted a frequency output for their sender units in response to Cirrus’ specific requirements. Cirrus was utilizing the Garmin GEA71, which already had its analog inputs fully engaged. The consensus between Cirrus and Garmin was that a digital signal would enhance fuel quantity measurement. With over a decade of use, CiES has validated…

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Maximize Aircraft Fuel Management with CiES Digital Fuel Sensors

aviation consumer magazine november 2023

In Larry Anglisano’s article on October 25, 2023, “Digital Fuel Sensors: Installation-Critical,” the importance of accurate fuel quantity measurements in aircraft is highlighted, especially during primary engine instrumentation system retrofits. While it may be tempting to save costs by using existing OEM analog fuel tank sensors, this often leads to compromised accuracy and reliability. The…

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What is a Fuel Sending Unit? Technology Benefits & Disadvantages

red and gold fuel senders compared to an OEM sender

What is a fuel sending unit? An aircraft fuel sending unit (also referred to as a fuel sensor, fuel sender or fuel probe) is a crucial component for measuring fuel quantity. In a modern system, the fuel sending unit employs advanced technology to accurately measure and transmit fuel level data to the cockpit instrumentation, providing…

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10 Advantages of Magnetic vs. Ultrasonic Fuel Senders

anodized red cessna fuel senders

Fuel senders play a crucial role in the efficient functioning of an aircraft’s fuel system, providing essential data to the pilot regarding the fuel level in the tanks. Among the various types of fuel senders available, magnetic fuel senders stand out for their unparalleled advantages over ultrasonic fuel senders. In this article, we will delve…

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Why does my fuel gauge jump back and forth?

white, gold and burgundy Cessna over the Grand Canyon

Have you ever been flying your airplane and noticed that the fuel gauge needle is jumping back and forth? This can be a concerning sight, especially if you’re not sure what’s causing it. And it can be very distracting, no matter how many times you’ve flown. There are a few possible reasons why your fuel…

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9 Advantages of Magnetic vs. Resistive Fuel Senders

magnetic resistive fuel sensor comparing CiES to an OEM version

In the realm of aircraft fuel systems, fuel senders play a pivotal role in accurately measuring the fuel level in the tanks. Among the various types available, magnetic fuel senders have emerged as a cutting-edge technology with distinct advantages over their resistive counterparts. In this article, we will explore the nine key benefits in fifteen…

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Why Aircraft Fuel Sender Repair is a Poor Longterm Solution

small aircraft fuel senders

Fuel senders are a vital part of any aircraft. They are responsible for providing the pilot with an accurate reading of the aircraft’s fuel level. This information is essential for the pilot to make safe and informed decisions about the aircraft’s flight. However, fuel senders can malfunction for a variety of reasons. These reasons can…

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