Skydweller Solar Impulse 2 (SI2)

In production

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Solar powered, unmanned technology demonstrator. Includes Skydweller drone variant. Originally manufactured by Solar Impulse as a manned aircraft. Acquired by Skydweller in 2019.

Photo: Skydweller

Lift type

Fixed wing

Construction

Factory-built

Control

Piloted, Autonomous

Engine type

Electric

Application

Experimental

Design & construction

Primary structure

Composite

Wing

Composite

Landing gear

Fixed tricycle

Ice protection

None

Pressurisation

Unpressurised

Flight controls

Full FBW digital

Autopilot

3-axis

Avionics architecture

Integrated glass suite

Environmental control

None-unpressurised

Planform

Straight

Tail

Conventional

Certification

Experimental-LSA

Minimum crew

Composite wing (primary structure) Primary Composite fuselage (primary structure) Primary

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
Solar Impulse	2009 / 2009	2019	Manned variant, includes ugraded Solar Impulse 2.
Skydweller Solar Impulse 2 (SI2)	2019 / 2020		Unmanned variant, aiming to be capable of 90 days continuous flight.

Airframer

Skydweller Aero

News

Acquired Solar Impulse 2 September 2019

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Program milestones 25 dated events

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Information on this page is compiled from a variety of published sources; links do not necessarily imply recommendation or confirmation by the airframe manufacturer.