Hamilton Sundstrand Auxiliary Power, Engine & Control Systems is an industry leader in the design, development, integration and management of gas turbine externals and electronic control systems for the aerospace and industrial markets.  Our expertise spans the entire product life cycle from initial concept to field support.  By working with the airframer and engine manufacturer, we ensure all systems requirements are met at the lowest cost and in the shortest time.

Auxiliary Power, Engine & Control Systems capitalizes on the individual strengths of each of our divisions to provide fully integrated solutions to customer requirements.  Our extensive experience in a broad product range and our significant global reach allow us to be an industry-leading player in the development of integrated solutions.

Hamilton Sundstrand Power Systems, headquartered in San Diego, California, designs and manufactures a variety of products for commercial and military aircraft.  Products include airborne auxiliary power units for use in airborne and ground power applications, small expendable and recoverable turbojet propulsion systems, as well as fans and vapor cycle cooling systems.  

From the smallest business jets to the newest military aircraft, Auxiliary Power, Engine & Control Systems has an integrated solution that reduces system weight and maximizes reliability.  Our belief that integration starts at the concept phase is at the heart of our approach.  Our goal is to be your first and last stop for complete engine externals.