Simmonds Precision Products Inc.

Vergennes VT 05491, United States of America

Collins Aerospace Ireland, Limited – COLLINS

Simmonds Precision Products Inc. – SPPI

Simmonds Precision Products Inc. (SPPI), a part of Collins Aerospace based in Vermont (USA), has over eighty years of experience in design, development and integration of aerospace sensing and gauging systems, including fuel management and vehicle health systems. SPPI designs and integrates advanced fuel measurement and gauging systems for nearly every type of aircraft and space vehicle – from helicopters and fixed-wing aircraft to business jets and wide-body transports. Almost every major aircraft OEM such as Airbus, Boeing uses SPPI’s fuel gauging systems for majority of their aircraft. SPPI’s products have been used for gauging liquid hydrogen (LH2) and liquid oxygen (LO2) in space and rocket platforms such as Apollo/Saturn V, Titan III/IV and Space Shuttle. SPPI’s fuel gauging solutions have been successfully tested with alternate aviation fuels to assure safety, reliability and efficient fuel management. Additionally, Simmonds Precision provides Health & Usage Monitoring Systems (HUMS) and Integrated Vehicle Health Management (IVHM) solutions for thousands of rotorcraft. IVHM systems automatically monitor hundreds of aircraft signals through a network of advanced sensors and on-board computing for state awareness of aircraft systems and components. These systems have been demonstrated to increase aircraft readiness and safety while simultaneously reducing maintenance cost and burden. Simmonds Precision has unmatched experience in developing flight-critical software, and integrating systems with the latest avionics architecture for safe, efficient and improved operations.





Simmonds Precision is leveraging decades of aerospace sensing and gauging experience from commercial, military, and space platforms to develop a safe, reliable, and optimal fuel gauging solution for hydrogen aviation systems. COCOLIH2T and the EU Commission will benefit from the extensive knowhow brought by SPPI; such knowledge will be further leveraged on top of what is considered statement-of-art for Collins Aerospace to develop an innovate and highly accurate LH2 gauging system. SPPI is leading the LH2 gauging technology in the Subsystem Development Work Package. SPPI is currently developing the LH2 gauging prototypes in their laboratories and testing with LN2. SPPI will support the NLR testing of prototypes with LH2. SPPI is supporting model development to predict system performance with LH2. SPPI will also support Demonstrator 2 at NLR. In addition to leading the LH2 gauging efforts, SPPI is also supporting the System requirements and KPIs Work Package, System Integration and Demonstration Work Package, and leveraging its experience for Fuel System Health and Dissemination Work Packages.



Participating members in the project

Yeasin Bhuiyan

Yeasin Bhuiyan

Senior Mechanical Engineer

Dr. Yeasin Bhuiyan is currently working for the Mission Systems division of Collins Aerospace (SPPI) as a Project Lead and Senior Mechanical Engineer. Yeasin plays a key role in SPPI’s Advanced Technology team for fuel gauging, ultrasonics and Structural Health Monitoring (SHM). Currently, he is leading the LH2 gauging efforts for COCOLIH2T. He is responsible for the LH2 gauging prototype development and testing. He has over eight years of experience in Ultrasonic Guided Wave, Structural Health Monitoring (SHM), and Prognostics & Health Management (PHM) technologies. He is a Member of SAE AISC-SHM and ASME. He has a PhD in Mechanical Engineering from the University of South Carolina, Columbia, USA. He has three patents in the field of LH2 gauging technologies using guided waves.

Pete Carini

Pete Carini

Technology Chief | Mission Systems | Advanced Technology Group

Pete Carini is working for the Mission Systems division of Collins Aerospace (SPPI) as the Technology Chief. Currently, he is supporting the LH2 gauging technology progression for COCOLIH2T. He is also supporting high-level technical aspects of the LH2 gauging technology, as well as system requirements and KPIs for the integration and demonstration aspects of the Work Packages. He has worked in the fields of Integrated Vehicle Health Management (IVHM), Structural Health Monitoring (SHM), and Prognostics & Health Management (PHM) for over 15 years. He is the Chair of SAE G-11 Systems Group and EMB member of SAE AISC-SHM. He has a Bachelor’s degree in Physics from Rensselaer Polytechnic Institute with over 15 patent awards, including patents on LH2 gauging technologies.