Swiss weather technology company Meteomatics has unveiled a multicopter drone that it says reached an altitude of 34,245 feet (10,438 meters), allowing it to collect atmospheric data at heights normally monitored by weather balloons.

Called Strato, the aircraft is designed to measure temperature, humidity, air pressure, and wind speed as it climbs through different layers of the atmosphere. Meteomatics claims it is the first multicopter capable of collecting atmospheric profiles from near the ground to the stratosphere.

The drone can withstand sustained winds of up to 80 mph and uses an active de-icing system to prevent ice from building up on its propellers. These features are designed to keep it operating in the cold, windy conditions encountered at high altitudes.

Unlike conventional weather balloons, which drift with the wind and are generally not recovered for reuse, Strato can fly toward a selected location, collect measurements, and return to its launch site. The company says this allows operators to gather weather data when and where they need it.

Strato uses an aerodynamic body and active wind controls that allow it to orient itself into strong headwinds. The system is designed to maintain flight stability while collecting measurements at different altitudes.

Its integrated de-icing system automatically heats the propellers when icing conditions are detected. The aircraft also features a water-resistant design to support operations in rain and other wet conditions.

Throughout the flight, Strato sends real-time telemetry to its operator, including altitude, wind conditions, temperature, and icing alerts. This allows operators to monitor the aircraft and atmospheric conditions during ascent and descent.

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