IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Twin-engined, strut-braced, high-wing ...

Electric aircraft company Ampaire has flown its hybrid-electric powered Cessna 337 Skymaster on what it calls an “actual airline route”, between two of Hawaii’s islands. On 22 November, the company ...

A Cessna 337 Skymaster powered partly by an electric motor flew on 6 June from a California airport, demonstrating a prototype propulsion system that manufacturer Ampaire hopes to deploy commercially ...

Aircraft propulsion systems integrator Ampaire set a new flight record for its hybrid-electric powered EEL aircraft on October 8. A twin-engine Cessna 337 Skymaster with its engines arranged in a ...