CiES and Raisbeck Engineering Collaborate on Caravan Fuel System Upgrade

At CiES, we’re redefining fuel quantity measurement with our industry-leading magneto-resistive technology. Now, in collaboration with Raisbeck Engineering, we’re proud to introduce an advanced fuel quantity indication system specifically designed for the Cessna 208 Caravan. This state-of-the-art solution delivers unparalleled accuracy and reliability, enhancing fuel management and overall safety for Caravan operators.

Key Features:

1. Unmatched Accuracy & Reliability

The CiES fuel quantity sender utilizes cutting-edge magneto-resistive technology to provide precise and dependable fuel level readings. Unlike traditional methods, our system eliminates mechanical wear and degradation, ensuring long-term accuracy and performance.

2. Seamless Integration & Direct Replacement

Designed as a bolt-in replacement, CiES fuel senders are engineered to integrate effortlessly into the existing fuel systems of most Cessna 208 and 208B models. This simplifies installation while delivering a significant upgrade in fuel measurement reliability.

3. Certified for Safety & Performance

The CiES CC-Series fuel senders meet the highest aviation standards, including:
TSO-C55a and SAE AS405c certification
✔ Compliance with DO-160(F) and DO-254 DAL Level D requirements
✔ Designed to withstand extreme conditions, operating reliably within -55°C to 85°C and a voltage range of 9–28 VDC

4. Built for Rugged Environments

The Cessna 208 Caravan is known for its versatility, operating in some of the most demanding environments—from remote airstrips to commercial routes. The CiES fuel senders are engineered to match this rugged reliability, offering consistent performance across varying altitudes, temperatures, and operational conditions.

About CiES

CiES is at the forefront of aviation sensor technology, specializing in next-generation fuel quantity measurement solutions. Our mission is to deliver highly accurate, innovative, and regulatory-compliant fuel senders to meet the evolving demands of modern aviation.

Partnering with Raisbeck Engineering

With over 40 years of innovation in aircraft performance enhancement, Raisbeck Engineering is a recognized leader in developing aerodynamic and performance solutions for aircraft. Together, CiES and Raisbeck are bringing next-level accuracy and reliability to Caravan operators worldwide.

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About CiES Inc.

Established in 2012, CiES is now the largest supplier of aviation fuel quantity probes and senders. They are the recognized leader in the design, development, certification, and manufacture of electronic sensor solutions for original equipment manufacturers, as well as direct-to-market consumer products. Through the creative application of cutting-edge technologies, CiES creates complex end-to-end solutions. This is a company that is changing the game in aviation technology and revolutionizing the way we navigate the skies. Aiming at future growth and innovation, CiES is pushing the boundaries of what is possible.​

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Next Generation Can Trust Their Fuel Gauges.

We’re committed to providing an accurate, safe and reliable fuel level reading, as well as providing you with the highest level of service. Once you have installed magnetic field fuel sensing, your fuel level sensing problems will be solved. When you see the difference, you’ll always choose us for your fuel and liquid level sending needs.