This article is based on an official press release from NASA.

NASA Launches AACES 2050 Initiative to Pioneer Net-Zero Commercial Aviation

In a decisive move to reshape the future of commercial air travel, NASA has officially launched the Advanced Aircraft Concepts for Environmental Sustainability (AACES) 2050 initiative. According to an official NASA release, the program is designed to identify and mature transformative aircraft designs, propulsion technologies, and sustainability solutions. The ultimate objective is to equip the aviation industry with the technological foundation required to achieve net-zero carbon emissions by the year 2050.

To kickstart this ambitious endeavor, NASA awarded a total of $11.5 million in Phase 1 contracts in November 2024. The funding has been distributed across five key institutions, comprising four private companies and one university, tasked with conducting comprehensive, “open-aperture” design studies. These initial exploratory studies are projected to be completed by mid-2026.

The AACES 2050 program falls under NASA’s Advanced Air Vehicles Program (AAVP) and its Advanced Air Transport Technology project. By commissioning both industry veterans and academic innovators, NASA aims to look beyond incremental improvements and current Sustainable Aviation Fuels (SAF) to fundamentally redefine how commercial aircraft operate in the mid-21st century.

The Road to Net-Zero Aviation

The push for radical innovation in aerospace is driven by pressing environmental targets. Industry estimates cited in the project’s background research indicate that aviation currently accounts for roughly 2.4% of global carbon emissions. Meeting the U.S. Aviation Climate Action Plan’s goal of net-zero emissions by 2050 requires a paradigm shift in aircraft engineering.

Building on Past Successes

According to NASA’s historical context, AACES 2050 follows a successful blueprint established by the agency in 2008 with its “N+3 Project,” which targeted airliners entering service in 2035. That earlier initiative laid the groundwork for NASA’s current Sustainable Flight National Partnership (SFNP) and the development of the X-66 Transonic Truss-Braced Wing demonstrator. AACES 2050 is explicitly designed to look beyond the SFNP, defining the next generation of commercial-aircraft that will take to the skies in the 2040s and 2050s.

Phase 1 Awardees and Technological Focus

The $11.5 million in Phase 1 funding has been awarded to five distinct teams, each bringing a unique technological approach to the challenge of decarbonizing aviation. The solicitation drew significant interest from across the aviation community, making the award process highly competitive, according to Nateri Madavan, Director for NASA’s Advanced Air Vehicles Program.

Exploring Radical Configurations and Hydrogen

Several awardees are focusing on moving away from traditional aircraft designs and conventional fuel sources. JetZero is utilizing its funding to explore technologies that enable cryogenic liquid hydrogen to be used as a commercial aviation fuel. These technologies will be evaluated on traditional tube-and-wing aircraft as well as JetZero’s signature “blended wing body” (BWB) airliner design. JetZero is collaborating with the University of Illinois Urbana-Champaign and hydrogen fuel-cell company ZeroAvia.

“JetZero has a long history of leading the way in design of blended-wing-body aircraft… We’ll be focused on how best to integrate hydrogen power and energy system in a novel aircraft design, which is optimally configured for step-change improvements in energy efficiency and emissions,” stated Phil Ansell, Professor of Aerospace Engineering at the University of Illinois, in a partnership announcement.

Similarly, the Georgia Institute of Technology is analyzing various sustainability technologies, heavily focusing on hydrogen-powered systems. They will use their Advanced Technology Hydrogen Electric Novel Aircraft (ATH2ENA) concept as a baseline starting point for their explorations.

Electra (Electra.aero) is taking a different approach, extending its novel distributed electric propulsion and unique aerodynamic design capabilities. Partnering with American Airlines, Honeywell Aerospace Technologies, Lockheed Martin Skunk Works, MIT, and the University of Michigan, Electra’s study will examine innovative wing and fuselage integrations aimed at reducing noise and emissions while enhancing air travel accessibility.

Legacy Aerospace Steps Up

Established aerospace giants are also playing a critical role in the AACES 2050 initiative. Aurora Flight Sciences, a Boeing Company, is conducting a comprehensive exploration of alternative aviation fuels, novel propulsion systems, aerodynamic technologies, and aircraft configurations, leveraging Boeing’s extensive history in commercial aircraft design.

Pratt & Whitney, a division of RTX Corporation, is focusing on a broad suite of commercial aviation propulsion technologies. Their goal is to target thermal and propulsive efficiency improvements that can drastically reduce fuel consumption and greenhouse gas emissions.

NASA’s Role as an Industry Catalyst

By funding early-stage, high-risk research, NASA continues to act as a vital catalyst for the aerospace sector, enabling private companies and startups to pursue radical innovations that might otherwise lack immediate commercial justification.

“Through initiatives like AACES, NASA is positioned to harness a broad set of perspectives about how to further increase aircraft efficiency, reduce aviation’s environmental impact and enhance U.S. technological competitiveness in the 2040s, 2050s, and beyond,” said Bob Pearce, NASA Associate Administrator for the Aeronautics Research Mission Directorate, in the agency’s press release.

AirPro News analysis

At AirPro News, we observe two major industry shifts highlighted by the AACES 2050 award selections. First is the “Hydrogen Bet.” With JetZero and Georgia Tech heavily focused on liquid hydrogen as a primary fuel source, there is a growing consensus that while Sustainable Aviation Fuel (SAF) serves as a necessary bridge for the 2030s, cryogenic hydrogen may be the ultimate destination for true zero-emission flight by 2050.

Second, the initiative signals a potential departure from the traditional “tube and wing” aircraft architecture. The inclusion of JetZero’s blended wing body and Electra’s distributed electric propulsion concepts suggests that NASA and its industry partners believe the fundamental shape of commercial airliners must evolve to meet aggressive climate targets. We anticipate that the results of these Phase 1 studies, due in mid-2026, will provide the first concrete blueprints for the aircraft of the late 21st century.

Frequently Asked Questions (FAQ)

What is the AACES 2050 initiative?
The Advanced Aircraft Concepts for Environmental Sustainability (AACES) 2050 is a NASA program aimed at developing transformative aircraft designs and propulsion technologies to help the commercial aviation industry achieve net-zero carbon emissions by 2050.

Who received funding under Phase 1?
NASA awarded a total of $11.5 million to five institutions: Aurora Flight Sciences (A Boeing Company), Electra, JetZero, Pratt & Whitney (an RTX Corporation division), and the Georgia Institute of Technology.

When will the Phase 1 studies be completed?
The initial exploratory design studies began in late 2024 and are expected to be completed by mid-2026.

Sources

• NASA: Advanced Aircraft Concepts for Environmental Sustainability (AACES) 2050