Titanium aircraft structural part with machined pockets on a CNC machine table

Aerospace Manufacturing Outlook: A 20-Year Fleet Forecast Meets a Constrained Supply Base

Two federal documents published in the past year tell opposite halves of the same story. One projects two decades of steady aircraft fleet growth. The other says the supply base feeding that growth is poorly understood, even by the people buying from it.

The demand side is documented and long

Numbers on the runway ahead come from the FAA’s Aerospace Forecast for fiscal years 2026 through 2046. The agency projects the U.S. commercial aircraft fleet will grow from 6,949 aircraft in 2025 to 10,677 in 2046, an average annual growth rate of 2.1 percent.

The detail underneath is more useful than the headline. Jets in the U.S. mainline passenger fleet, including regional jets, are forecast to rise from 4,626 to 6,890 over that period. That works out to a net average of 108 aircraft a year. The cargo carrier large jet fleet is projected to grow from 894 aircraft to 1,598. Regional carrier fleets go from 1,429 to 2,189.

Every one of those aircraft carries thousands of machined parts. Each engine, actuator, bracket, and fastener traces back to a tool, a die, or a fixture that somebody had to cut first.

The supply side is the constraint

The same FAA document is blunt about why those numbers are not arriving faster. Materials shortages have slowed aircraft production. The forecast offers a single comparison that lands harder than any percentage: in 2019, Boeing and Airbus delivered a combined 403 commercial widebody aircraft. In 2025, that number was 233.

Order books are full. Delivery delays are expected to take years to unwind, cascading through the end of the decade. This is not a demand problem being solved by patience. It is a production problem being solved by capacity.

Defense adds a second layer

The commercial picture runs alongside a defense industrial base that federal auditors describe as difficult to see into.

A Government Accountability Office report estimates that the Department of Defense relies on a global network of over 200,000 suppliers to produce weapon systems and noncombat goods. The finding that matters is not the count. It is that the primary federal procurement database gives little visibility into where those goods are actually manufactured, or whether parts and materials suppliers are domestic or foreign.

GAO made three recommendations, and DOD concurred with all three. As of July 2026, the department reported it was standing up a Supply Chain Risk Management Integration Cell to coordinate the work, with completion targeted for later in the year.

For a machining supplier, the practical translation is straightforward. Country-of-origin documentation and supply chain traceability are moving from paperwork to qualification criteria.

Reading an aerospace manufacturing outlook as a capacity question

A forecast is only useful to a job shop if it converts into a decision. Three conversions are worth making.

Fleet growth converts to part volume. A net 108 additional mainline jets a year is not an abstraction. It is recurring demand for brackets, fittings, engine components, and the tooling behind all of them.

Production delay converts to supplier opportunity. Delivery backlogs of the size the FAA describes get worked down by adding capacity across the supply base, not by a single airframer working faster.

Fleet age converts to aftermarket demand. Carriers holding older aircraft longer keep maintenance, repair, and overhaul volume high, and MRO work carries its own machining and tooling requirements.

The aerospace manufacturing outlook, read this way, is less a market forecast than a capacity planning document for anyone in the supply chain.

What aerospace work actually demands on the floor

Wire EDM cutting a profile in hardened steel

Aerospace is a specification business before it is a machining business. Shops entering or expanding into it tend to meet the same requirements.

First article inspection discipline. The first part has to be proven against the print, documented, and repeatable. A process that holds tolerance but cannot prove it does not qualify.

Material that fights back. Titanium, Inconel, and hardened tool steels resist conventional cutting. Tool wear, heat, and workpiece distortion all become variables to control rather than assume.

Geometry that conventional tooling cannot reach. Cooling passages, blind pockets, thin ribs, and sharp internal corners show up constantly in aerospace tooling and components.

Traceability through the whole chain. Documentation requirements flow downhill from the prime to the tier one to the job shop. Shops that also serve medical device customers are seeing the same pressure from a different direction, because a federal quality regulation for device makers changed in February.

That combination is where electrical discharge machining earns its keep. EDM removes material by spark erosion rather than cutting force, so hardness stops being the obstacle it is for conventional tooling. Wire EDM cuts through-profiles in hardened stock. Sinker EDM reaches blind cavities and sharp internal corners. Hole drilling burns small, deep holes through hardened material where a twist drill would wander or break.

Five-axis machining sits beside those processes rather than against them. Complex aerospace geometry often needs fewer setups and better tool access, and a five-axis platform delivers both.

The Midwest position

Minnesota, Wisconsin, and Iowa carry a dense population of precision machining, tool and die, and contract manufacturing operations. Regional shops competing for aerospace work have one structural advantage and one structural exposure.

The advantage is proximity to customers and short revision cycles. Aerospace engineering changes are frequent, and a supplier who can turn a revision in days rather than weeks wins repeat work.

The exposure is qualification cost. Aerospace approval takes time, documentation, and equipment capability that a shop either has or does not. Shops that invest ahead of the qualification tend to get through it. Waiting for the order first rarely works.

Reading the three pressures together

Aerospace demand is not the single force moving through regional shops this year. Electrical equipment makers are absorbing the fastest projected job growth of any manufacturing industry, and their tooling needs land on many of the same suppliers.

What the three have in common is that each one raises the bar on documentation, tolerance, and capacity at the same time. A shop that solves for one is usually most of the way toward solving for the others.

Iron Machine Tool: EDM and Precision Milling for Midwest Manufacturers

Iron Machine Tool is the exclusive Midwest distributor for Mitsubishi Electric, OPS-Ingersoll, and Roku-Roku Sangyo, serving manufacturers across Minnesota, Wisconsin, Iowa, and surrounding states from Minneapolis. Founded in 2022 by Steve Brown, who brings 15+ years of hands-on EDM experience, the company supports customers from consultation through installation, training, and ongoing service. Mitsubishi machines are supported by MC Machinery Systems, which operates 5 Technical Centers across North America with over 300 dedicated service professionals.

Our Machinery Solutions Include:

  • Industries We Serve — aerospace, medical, automotive, robotics, industrial and electrical, and commercial manufacturing applications
  • 5-Axis Machining — OPS-Ingersoll 5-axis graphite and vertical machining centers for complex geometry in fewer setups

Evaluating a machine? Talk to Steve Brown about your application, tolerances, and timeline.

Works Cited

  1. “FAA Aerospace Forecast Fiscal Years 2026–2046.” Federal Aviation Administration, U.S. Department of Transportation, 2026, www.faa.gov/data_research/aviation/aerospace_forecasts/2026_FAA_Aerospace_Forecasts_FY2026-2046-2.pdf. Accessed 20 Sept. 2026.
  2. “Defense Industrial Base: Actions Needed to Address Risks Posed by Dependence on Foreign Suppliers.” U.S. Government Accountability Office, GAO-25-107283, 24 July 2025, www.gao.gov/products/gao-25-107283. Accessed 20 Sept. 2026.
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