China Flies a Small Drone That Runs Only on Sunlight and Is Designed to Stay Up for 30 Hours

Most drones people have seen need a fresh battery after 30 minutes to an hour. A Chinese state aerospace institute wants a fairly small one to stay up for more than a day on sunlight alone.

What happened

According to Xinhua and Science and Technology Daily, the 11th Academy of China Aerospace Science and Technology Corp. (CASC) flew its Qingqibing, or "Light Cavalry," solar drone for the first time on Nov. 11 at an airfield in northwest China. The drone started its motors, taxied, took off, climbed, circled the field and landed, checking its flight controls, avionics, energy storage and handling. CASC calls it China's first commercial-grade small-to-medium drone powered only by solar energy.

The specs

The published figures: 3.2 meters (about 10.5 feet) long, an 8-meter (about 26-foot) wingspan, a 45-kilogram (about 99-pound) takeoff weight, a maximum design endurance of 30 hours, a ceiling of 7,000 meters (about 23,000 feet) and room for more than 5 kilograms of equipment. It can be fitted with cameras, communications gear or sensors. It doesn't need a runway, since it launches from a vehicle, and ground prep takes about 20 minutes, so it can be used in mountains, along coastlines or in remote areas without an airport.

Why small solar planes are hard

Solar aircraft aren't new. NASA's Helios had a wingspan of more than 75 meters, and Airbus's Zephyr spans about 25 meters and can stay in the stratosphere for weeks. But those are giants, used mostly for research or as high-altitude "pseudo-satellites."

An expert quoted by the Global Times explained the catch: shrink the plane and you shrink the area for solar panels, but the flight computer, batteries and structure don't get lighter at the same rate. Less power coming in and more weight to carry is a hard equation, which is why practical small solar drones need advances in materials, motors and energy storage.

What we don't know yet

Thirty hours is the "maximum design endurance," not a measured result. The first flight was a short systems check, and CASC hasn't said how long it lasted. Solar aircraft typically lose performance on cloudy days, in winter and at higher latitudes, and at night they run on energy stored during the day. The drone still needs airworthiness certification, demonstration operations and mass production. CASC says it will speed those up but gave no timeline or price.

Why it matters

Inspecting power lines, railways, pipelines and levees usually means sending crews on foot, flying crewed aircraft or launching short-endurance drones over and over. A small plane that can watch a corridor all day on sunlight, with no airport needed, could change how often that work is done and what it costs. It's also an example of China's push to turn its "low-altitude economy" from a slogan into an actual business.

What it means for you

You won't see one over your neighborhood any time soon. But it's aimed at infrastructure everyone depends on: finding a downed line faster during an outage, spotting a weak levee earlier in flood season, catching a wildfire while it's still small. If it meets its design targets and goes into production, that behind-the-scenes monitoring could become cheaper and more frequent.

Original sources published: Science and Technology Daily, Nov. 11, 2026, 14:42 Beijing time (UTC+8); Xinhua, Nov. 11, 2026, 16:08 Beijing time; China News Service, citing CCTV News, Nov. 11, 2026, 17:54 Beijing time; Global Times, Nov. 12, 2026, 03:17 Beijing time