Report Highlights

Aircraft Design Engineering in the United States: Market Overview

The United States is the largest national market for aircraft design engineering, with 2024 spend estimated at USD 14.8 billion. Demand clusters around established aerospace corridors in Washington State, Texas, Georgia, Kansas, and Connecticut, where prime contractors and tier-one suppliers maintain large in-house design organizations. The market divides into defense-funded design for military platforms and commercial design for airliners, business jets, and electric vertical take-off and landing (eVTOL) aircraft.

Government has been the dominant force in shaping this market's current form. Department of Defense research and development budgets, channeled through the Air Force Research Laboratory and the Next Generation Air Dominance programme, have funded most advanced airframe and propulsion design work since the Cold War. Private capital has led in business aviation and eVTOL development, where Joby Aviation and Archer Aviation have funded design programs through public equity rather than federal grants.

Policy-Driven Growth in US Aircraft Design Engineering

The FAA Reauthorization Act of 2024 (Public Law 118-63) directed the Federal Aviation Administration to advance integration of advanced air mobility aircraft, and the agency responded with a Special Federal Aviation Regulation for powered-lift aircraft, published in October 2024 and effective in November 2024. The SFAR gives designers a defined pilot and operations pathway for hybrid lift-and-cruise configurations, converting previously uncertain design programs into funded type-certification work. Amendment 23-64, effective in 2021, replaced prescriptive Part 23 requirements with performance-based standards, reducing the engineering hours required to certify light aircraft.

Section 174A of the Internal Revenue Code, restored by Public Law 119-21 in July 2025, allows design firms to deduct domestic research and experimental expenditures immediately rather than amortizing them over five years. This shifts cash flow toward engineering headcount, which matters because aircraft design is labor-intensive. Separately, NASA's Advanced Air Mobility mission and the Department of Transportation's AAM National Strategy, published in 2023, fund the research and demonstration flights that generate the validated design data commercial developers need.

Regulatory Barriers and Compliance Costs

Type certification under 14 CFR Part 21 is the principal regulatory barrier. The Federal Aviation Administration administers the process, and a new transport-category design typically requires several years of testing, documentation, and conformity inspections before approval. Designees operating under Organization Designation Authorization, governed by 14 CFR Part 183 Subpart D, can carry out delegated findings, but they must maintain a quality system that the FAA audits continuously, adding overhead for small design firms.

Export and sourcing rules add a second layer of cost. The Directorate of Defense Trade Controls, within the State Department, administers the International Traffic in Arms Regulations at 22 CFR Parts 120 to 130, requiring licenses before design data for defense articles can reach foreign engineers. The Berry Amendment at 10 U.S.C. 2533a restricts defense procurement of specified items to domestic sources, forcing design teams to qualify U.S.-origin components, a process that typically adds months to supplier qualification.

Policy-Created Opportunities in the United States

The Advanced Air Mobility National Strategy and the eVTOL Integration Pilot Program, directed by the June 2025 executive order on drone and advanced aviation, create demand for vertiport-compatible airframe and flight control design. Designers working on powered-lift configurations, battery-electric propulsion, and detect-and-avoid systems gain access to federally sponsored demonstration operations that generate certification evidence, a route private design teams previously had to fund alone.

The FAA's Continuous Lower Energy, Emissions and Noise (CLEEN) program, now in its third phase, funds technology demonstrations for lower-emission and quieter airframe and propulsion integration. Under the Next Generation Air Dominance programme, the Air Force is pursuing sixth-generation fighter designs that integrate uncrewed teaming, creating demand for systems engineers and digital design environments. Engineering firms positioned in both programs capture work that commercial order books alone cannot supply.

Regulatory and Policy Environment

The primary legislation is the Federal Aviation Act of 1958, codified at 49 U.S.C. Subtitle VII, as amended by the FAA Reauthorization Act of 2024 (Public Law 118-63). The Federal Aviation Administration, through its Aircraft Certification Service, is the responsible regulator. Key compliance requirements include design approval under 14 CFR Part 21, airworthiness standards in Parts 23, 25, 27, and 33 for airframes and engines, and continued airworthiness obligations in Parts 43 and 91.

Upcoming changes will reshape these requirements. The FAA's permanent powered-lift rules, following the SFAR, are scheduled for rulemaking through 2026 and 2027, and the eVTOL Integration Pilot Program is due to begin operations in 2026. Compared with regional peers, the U.S. framework adopts performance-based standards faster than the European Union Aviation Safety Agency under Regulation (EU) 2018/1139, which relies on Special Condition VTOL criteria issued in 2019, but it publishes no fixed certification timelines.

Long-Term Policy Outlook for US Aircraft Design Engineering

By 2032, policy will move from temporary exemptions to permanent standards. The FAA is expected to finalize powered-lift operating rules, and ICAO's CO2 and noise standards agreed through the Committee on Aviation Environmental Protection will flow into U.S. domestic requirements, forcing design teams to certify lower-carbon configurations. Designers who build digital certification evidence early will absorb these changes at lower cost than those relying on conventional test campaigns.

Defense policy will shape the second half of the outlook. Annual National Defense Authorization Acts set the budget for next-generation programs such as Next Generation Air Dominance, and the DFARS 252.227-7013 technical data rights clause increasingly determines whether design data remains with the prime contractor or passes to the government for reuse. Export control reform under ITAR will steer collaborative design with allied partners toward licensed data-sharing frameworks, rewarding firms with compliant digital data environments.

Market at a Glance

Leading Market Participants

• Boeing
• Lockheed Martin
• Northrop Grumman
• RTX
• General Dynamics
• Textron Aviation
• Gulfstream Aerospace
• Bell Textron
• Joby Aviation
• Archer Aviation