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Discover how DJI Return to Home (RTH) works and why it is invaluable to any pilot.
The DJI RTH function is a very useful safety feature that helps you return your drone back to a safe, accessible landing position. Read on to discover how this technology works and how you can benefit from it.
3 Ways to Return to Home
Smart RTH
This function allows users to command their drone to return to the starting point when they press the RTH button on the remote controller or DJI GO 4 app.
Low Battery RTH
When the drone's battery level reaches a certain level, a question will appear in the DJI GO 4 app and the drone will return to the starting point.
Failsafe RTH
This function returns your drone back to the starting point if it loses signal when connected to the remote control or via Wi-Fi.
How does RTH work?
A DJI drone will set its takeoff position as the home point when it receives four or more GPS signals. The drone will continuously analyze real-time GPS coordinates and use a compass to aid its return flight. Anything that interferes with the Home Point position, GPS or compass can affect the RTH function.
To ensure that your drone returns safely to the home point, please fly it in an open area without interference and remember to refresh the home point before any flight.*
*Please note that urban areas with many tall buildings can affect GPS signals. Magnetic fields, high voltage cables and metal structures can also affect the compass.
Drone flight preparation
When the drone enters Failsafe RTH mode, you will not be able to control it to avoid obstacles. However, by setting a relatively higher flight altitude in the DJI GO 4 app, the drone will climb to that altitude before returning to its takeoff point. By flying at a higher altitude, the drone can avoid most obstacles in its path, which is a simple and effective way to ensure a safer flight.*
*If the current altitude of the drone is higher than the altitude set in the DJI GO 4 app, it will directly return to the current altitude.
When returning to the starting point, the drone can detect obstacles with its vision sensors and climb to a safe height.*
*Vision sensors can only detect clearly textured obstacles in a well-lit environment. Please note: Mavic Pro, Mavic Air and Spark are not equipped with upward visibility sensors.
Smart RTH mode
Failsafe RTH mode
The drone will return to the starting point, using its original flight path, and restore the signal connection as soon as possible, allowing users to check its flight path.*
*The drone does not return to the starting point, using its original flight path, when operating with other RTH modes. Instead, it will choose the shortest flight path to return to the take-off point. Please note that: Spark will always choose the shortest flight path to return to any RTH mode.
Smart RTH mode
When the drone reaches above the initial take-off point, the protection landing is automatically activated and the downward sensors will determine if the area below the drone is suitable for landing. If the area is not suitable for landing, the drone will hover in place, waiting for the user's command.*
*Note: Spark is only able to detect water surfaces and cannot detect flat, uniform surfaces.
In addition, ensure that lighting conditions are adequate during takeoff and landing.*
*Please note that the Inspire 2 does not support precision landing.
Return to Home Drones
With RTH mode you can continue to capture amazing aerial photos and ensure safe flight operation. No matter where your adventure awaits, follow these simple steps to maintain good flying practices. Take the first step with a DJI drone today!