Airbus takes its Wing of Tomorrow into the air

At the Farnborough Airshow in July 2026 Airbus launched a new flight-test programme for Wing of Tomorrow, one of its largest research and technology efforts. Full-scale wing extensions, each four to five metres long, will be fitted to an A321neo and flown over the next three years, with the first flight due in the second half of 2027.

The extensions replicate a folding wing in its fully extended position. They are cruise demonstrators: instrumented to measure how a much longer, more slender wing behaves in flight and how the extra span affects handling, before Airbus commits to a design for its next single-aisle aircraft.

Why the wing matters as much as the engine

Airbus describes the wing, alongside the engine, as one of the biggest levers it has to reduce fuel burn. Longer and lighter wings with a higher span reduce induced drag. The challenge is that today's airports limit wingspan, which is why the future design relies on a folding wing, a first for a narrowbody and similar in principle to the Boeing 777X.

The programme team expects the wing technologies to bring efficiency gains of 20 to 25% compared with the previous generation, comparable to what next-generation engines are expected to deliver. Combined with new engines and sustainable aviation fuel, Airbus is targeting around 30% better efficiency for the aircraft that will replace the A320neo family, with entry into service planned for the late 2030s.

The A320 successor will be decided on the wing as much as on the engine.

A decade of ground work in the UK

The extensions are assembled at Airbus's Wing Technology Development Centre in the UK and flight-tested from Toulouse. Airbus has already built three 17-metre ground-based wing demonstrators and applied more than 100 manufacturing and assembly technologies. The wings will be carbon fibre composite. The UK's Aerospace Technology Institute programme has contributed £227 million since 2014.

In parallel, Airbus UpNext is completing the eXtra Performance WING demonstrator in Cazaux, France, a wing designed to change shape in flight, with a remotely piloted first flight planned for the end of 2026. Airbus is working with EASA and around 40 partners, and says it wants a "menu of technologies" de-risked before it freezes the design.

What it means for the supply chain

A new composite wing at A320 production rates is one of the largest industrial programmes of the coming decade. It will require high-rate automated composite manufacturing, new folding-wing actuation systems, sensors and health monitoring, and a large expansion in carbon fibre and resin supply. For suppliers of materials, automation and digital manufacturing, the choices made during this test campaign will set work packages for the next 30 years.

What to watch

The first flight in the second half of 2027 and the data it produces; how Airbus combines the wing with an engine choice between ducted and open-fan architectures; where wing production lands across Airbus's European sites and partner countries; and how quickly Airbus moves from technology demonstration to a formal launch of the A320 successor.