Commercial
Electric Helicopter Drone Carries 13 Pounds for 90 Minutes
UAVOS INC. has completed the test flights of SURVEYOR-HE Unmanned Aerial System with UVH-EL drone, equipped with an electric engine unit. The unmanned helicopter has increased performance with carrying capacity, flying range, and extended temperature range. UVH-EL UAV is a multipurpose helicopter with fully automatic take-off,