A medium-altitude long-endurance unmanned aerial vehicle flies at an altitude window of 10,000 to 30,000 feet (3,000–9,000 m) for extended durations of time, typically 24 to 48 hours.
This type of UAV operates in the middle atmosphere for an extended duration, usually between 24 and 48 hours, at altitudes ranging from 3,000 to 9,000 meters (10,000 to 30,000 feet).