When Solar Impulse 2 flew around the world in 2015-16, including Andre Borschberg’s almost five-day solo flight across the Pacific, it dispelled the belief that solar-powered aircraft must be gossamer machines with limited capabilities. We look back at its journey around the world.

Rolls’ German hybrid; Triumph’s thermoplastic elevator; carbon-fiber 3D printer; Volocopter’s agricultural drone; SSTL supplies target satellite.

Germany’s diamond shaped LO demonstrator could be the jewel that shapes a future combat aircraft.

A smaller new airplane might make more sense for Boeing.

Record-setting Solar Impulse 2 to become new class of solar-powered, medium-altitude pseudo satellite.

Brian Sill is President of Engines and Power Systems (E&PS) for Honeywell Aerospace. E&PS develops, produces and supports high-performance propulsion engines and auxiliary power units for air transport, business and military customers worldwide.

A3 project Wayfinder is developing certifiable autonomy for use across Airbus’ product range from air taxis to commercial airliners.

French think tank plots a progressive path for the application of autonomy to reduce demand for commercial aircraft pilots.