Boeing X-66A - program supplier guide | Airframer

Boeing X-66A

In production

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X-plane specifically aimed at helping the United States achieve the goal of net-zero greenhouse gas emissions by 2050 for the Sustainable Flight Demonstrator program. Long, thin wings with engines mounted underneath and set of aerodynamic trusses. Development indefinitely paused.

Photo: Boeing

Lift type

Fixed wing

Construction

Control

Engine type

Turbofan

Application

Experimental

Design & construction

Wing

Composite

Landing gear

Retractable tricycle

Ice protection

Bleed air

Pressurisation

Pressurised

Flight controls

Full FBW digital

Avionics architecture

Integrated glass suite

Environmental control

Engine-bleed air-cycle

Wing position

High

Planform

Swept

Tail

T-tail

Composite wing (primary structure) Primary Folding wingtips Standard

+ 1 technology researched and confirmed absent from this program.

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

Variant	Launch / first flight	Production end	Notes
Boeing X-66A	/		Experimental airliner under development by Boeing in collaboration with NASA and its Sustainable Flight Demonstrator.

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