NEDO: UAV、quasi-zenith satellite linked: Notification of failure, running out of fuel, bad weather
Pilot in Amazon Air’s crashed plane called ‘unsafe’ by past trainers
Rolls-Royce Electric Airplane Unveiled & Ready To Race
Terradrone: Signed investment with Canada UAS Inc .: Surveying、 inspection for underground mines
World’s 1st Commercial Electric Seaplane Takes Off!