UAVs have become increasingly popular, with applications ranging from aerial photography and express delivery to power line inspection and disaster relief. Drones are now present in almost every industry. According to the well-known consulting firm Gartner, the production and sales volume of drones is expected to grow by 39% in 2017, reaching 3 million units globally, with market revenue projected to reach $6 billion. However, this rapidly growing industry faces significant challenges. One of the most pressing issues is the security risks posed by "black flying"—unauthorized drone flights that can interfere with aviation safety. In recent years, drones have frequently entered the restricted airspace around airports, causing flight delays and even incidents at airports in Shenzhen, Hangzhou, and Xining. A viral video showed a drone capturing a close-up of a commercial aircraft, raising serious concerns about safety.
Current regulations for drones remain unclear, leaving their management in a gray area. With such risks, how can we effectively manage these potentially dangerous devices? In response, DJI Innovation, a leading company in the drone industry, has taken proactive steps. On March 2nd, DJI released a new polygonal no-fly zone strategy, making the restrictions more flexible and precise. This update will first be implemented at airports in mainland China and later rolled out globally. The system ensures that drones cannot take off within the no-fly zone and automatically decelerate and hover when approaching its boundaries. If a drone enters a no-fly zone without GPS signal, it will automatically land once the signal is restored.
In addition to the no-fly zones, DJI has also introduced flight-limited zones at different altitudes—30 meters, 60 meters, and 120 meters. These zones are designed to protect both public safety and flight experience. For example, the 60-meter flight-limited zone is a trapezoidal area extending 15 km from each end of the runway with a 15% slope. When a drone approaches the boundary, a warning appears, and if it exceeds the height limit, it will automatically slow down and descend. This update is gradually being applied across all DJI product lines.
This is not the first time DJI has introduced no-fly zones. According to its official website, DJI has already implemented special regional restrictions based on ICAO and national air traffic control regulations. However, the new polygonal no-fly zone strategy represents a major improvement over previous circular restrictions, offering greater flexibility and precision. As Shao Jian, Vice President of DJI, explained, this approach balances aviation safety with the need for more open flying space.
The release of this new strategy was partly influenced by recent incidents, including a controversial video of a drone flying near an airliner. While DJI did not confirm whether this specific event triggered the update, Shao acknowledged that frequent safety incidents have accelerated the development of stricter regulations. He emphasized that DJI aims to lead in safety rather than wait for government action, highlighting the importance of social responsibility.
Experts like Ke Yubao, Executive Secretary of the China Aircraft Owners and Pilots Association (AOPA), have praised DJI’s proactive stance. They note that drone safety regulation is a growing concern, with multiple meetings held on topics such as electronic fences and flight control codes. The challenge lies in balancing innovation with regulation.
Looking ahead, DJI plans to integrate advanced technologies like ADS-B receivers to enhance situational awareness. These systems will provide real-time data on manned aircraft, allowing drones to adjust their flight paths accordingly. Shao Jianqian believes that future airspace management must be more refined, ensuring safe coexistence between drones and traditional aircraft.
He also stressed the need for a self-contained management system for drones, similar to rail or highway systems. This includes setting industry standards, increasing public awareness, and establishing proper regulatory frameworks. While some experts support a more open approach to regulation, others argue that mandatory policies are necessary to ensure safety and consistency across the industry.
Ultimately, the key to managing drones lies in balance—between innovation, safety, and regulation. As DJI continues to push the boundaries of what drones can do, it also sets an example for responsible development in the industry.
**DJI UAV Safe Flying Principles**
- **Self Safety**: Check propellers and body, ensure full charge of battery, remote control, and mobile device, and take off only after obtaining a strong GPS signal.
- **Public Safety**: Stay away from crowds, buildings, wires, towers, and signal stations. Always fly within visual line of sight.
**Introduction to DJI No-Fly Zones**
To enhance public airspace safety and user experience, DJI has introduced a new polygonal no-fly zone strategy. The airport no-fly zone is a flat ellipse formed by two circles and edge lines, with a radius of 4.5 km at each end of the runway. Drones cannot take off inside the zone and will automatically slow down and hover when approaching the boundary. If a drone enters the no-fly zone without GPS, it will land once the signal is restored.
Other zones include 30m, 60m, and 120m flight-limited areas. The 30m zone is a 7 km radius circle at each end of the runway, while the 60m zone is a trapezoidal area with a 15% slope. The 120m zone is a 10 km radius circle centered on the runway. These zones help prevent unauthorized flights near sensitive areas.
**What Is a Polygonal No-Fly Zone?**
Previously, DJI used circular no-fly zones, but the new polygonal version offers more flexibility. This approach allows for more precise restrictions, better protecting both safety and user freedom.
**How to Query DJI No-Fly Zones in Xinjiang**
Visit the DJI official website, scroll to the bottom, click on “Safe Flight Guide†under Education, then select [Flight Area Restriction Map]. Choose [Asia] and [Mainland China], and enter your location to check flight restrictions.
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