MMC UAV Griflion H – Fifteen-hour VTOL
MMC UAV launched its brand new hydrone H that features a record-breaking 15-hour flight time on September 17th in Germany during the InterGEO 2019, the world's largest conference and trade fair for geodesy, geoinformation and land management. It is a hydrogen-powered vertical take-off and landing drone with an integrated design. MMC-developed hydrogen fuel battery shows ["]