The Boom-developed sustainable and cost-efficient engine for Overture.

The Purpose-Built Turbofan Optimized for Supersonic Flight

35,000 LB

25% more time
on wing*

72” faN

10% lower
operating cost*

fan blades

100% SAF

Medium bypass

ICAO Chapter 14
noise levels


FAA Part 33 / EASA CS-E

*When compared to derivative approaches

Lower Operating Costs

A 25% improvement in time on wing, reducing total operating costs by 10% when compared to derivative engine approaches.

100% Sustainable Aviation Fuel

Optimized for 100% sustainable aviation fuel (SAF) for net zero carbon operation.


Symphony and Overture will comply with existing FAA and EASA certification and airworthiness requirements. Overture will meet Chapter 14 noise levels and Symphony will meet applicable emission standards.

Engine Architecture Milestone

Boom unveiled the Symphony engine architecture at the Paris Air Show, reflected in this 1/3 scale model.

“Symphony is the key that will unlock Overture and make it a commercial and enduring success. Boom’s strategy with Symphony is very innovative. Their approach makes it compelling for top-tier suppliers to seek the opportunity to contribute their expertise and capabilities to this exciting, breakthrough, supersonic engine program.”

Ric Parker

Chair of Singapore Aerospace Programme & former Rolls-Royce CTO

The Symphony Team

World-class collaboration

Florida Turbine Technologies (FTT)

FTT is leading engine design and assembly of Symphony initial production units for ground test, flight test, and certification.

“We believe there is large market potential for both Overture and Symphony, which will be transformational for the future of supersonic travel. The Symphony engineering team includes many of the best and most experienced engine designers on the planet, and we’re thrilled to expand our role to include the initial assembly of engines for ground test, flight test, and certification.”

Stacey Rock

President of Florida Turbine Technologies

Colibrium Additive, a GE Aerospace company

Providing additive technology design consulting for Symphony.

“We are excited to support Overture and Symphony. Colibrium Additive will bring industry-leading capabilities to Symphony, providing additive manufacturing design consulting and technology, while looking for additional areas to potentially collaborate.”

Chris Schuppe



As MRO partner, StandardAero is currently working with Boom to ensure Symphony is designed for maintainability.

“We are excited to team with Boom as its strategic engine MRO partner and for the opportunity to contribute to the company’s bright future, ensuring its aircraft will receive the industry’s finest engine MRO services. Our current qualifications, capabilities and experience assembling and servicing supersonic military jet engines makes us the intelligent solution for future commercial, supersonic engine MRO applications.”

Russell Ford

Chairman & CEO of StandardAero


Latecoere will be responsible for defining all design principles of the electrical wiring interconnection system (EWIS) architecture for both Overture and Symphony.

“Latecoere is proud to support Boom with unique EWIS design engineering capabilities, in the development of the world’s fastest airliner. We are one of the founders of aerospace and are determined to continue supporting the development of next generation flight with Boom.”

Greg Huttner

CEO of Latecoere

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