We’re excited to announce that CiES has officially received EASA Supplemental Type Certificate (STC) 10089240, further expanding global approval for our fuel quantity indicator sending units.
This approval from the European Union Aviation Safety Agency (EASA) authorizes the installation of CiES replacement fuel quantity indicator sending units on eligible aircraft models listed in the FAA Approved Model List (AML) associated with FAA STC SA02511SE.
What This Means for Aircraft Owners and Operators
With EASA approval in place:
- Operators in EASA-member countries can now install CiES fuel senders in accordance with the approved STC.
- Maintenance providers have clear regulatory documentation to support installation.
- Aircraft owners gain access to accurate, stable, and dependable fuel quantity data in the cockpit.
Accurate fuel information isn’t just a convenience — it’s foundational to safe decision-making in flight. This approval brings that confidence to a broader international community of pilots and operators.
Certification Details
- EASA STC Number: 10089240
- Original FAA STC: SA02511SE
- Description of Design Change: Installation of replacement fuel quantity indicator sending unit(s)
The EASA approval confirms that the change in type design meets the applicable certification basis and environmental requirements when operated within specified conditions and limitations.
Supporting Documentation Available
The full EASA approval documentation, along with the CiES STC materials and installation instructions, are now available for review and download in our Documentation area.
We encourage aircraft owners, maintenance providers, and regulatory representatives to access the documentation directly to ensure compliance with all applicable limitations and conditions.
Expanding Confidence Worldwide
This milestone reflects CiES’ continued commitment to regulatory excellence, engineering precision, and raising the standard of fuel quantity accuracy worldwide.
As aircraft fleets age and expectations for reliable cockpit data increase, approvals like this ensure that pilots and operators have access to modern, dependable fuel measurement solutions — wherever they fly.
We’re proud to support the global aviation community and look forward to serving even more operators across Europe and beyond.
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About CiES Inc.
CiES designs and manufactures advanced fuel quantity systems for general aviation and transport applications. Through solid-state sensing, fail-evident architecture, and digital avionics integration, CiES has earned a strong reputation for delivering reliable, repeatable fuel measurement and advancing cockpit fuel awareness.
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Fuel quantity indication is provided in accordance with applicable FAA certification standards. Pilots must operate the aircraft within approved limitations and procedures.
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