(Android) How to prepare and start a free flight mission

 
Warning: The Free Flight Mission is recommended for advanced users to map more difficult objects (e.g. sides of houses, towers, pylons, bridges, etc). It requires to pilot the drone and to understand how to fly an optimal flight path.

To do a free flight mission:

Step 1. Prepare a free flight mission
Step 2. Start a free flight mission

Step 1. Prepare a free flight mission

1. Open the App.

2. In the home screen, click Free Flight Mission.
The Map View is loaded.

 
Tip:
  • If you are connected to the Internet, a background map is displayed.
  • The mission can also be prepared in your office. The displayed map is cached in memory and will be available when starting the mission in an area without Internet connection as long as the App is not stopped.

3. (Optional) On the left of the screen, change the settings of your free flight (horizontal and vertical image spacing).

 
Note: By default the horizontal and vertical image spacing are set to 5 and 3 meters respectively. This is well suited to reconstruct an object at a distance of approximately 20m. It is recommended to choose the horizontal and vertical image spacing such as there is enough overlap between the images. For more information on optimal flight plans: 202557459.

4. Center the map on the area of interest by moving it.

5. Start the mission.

Step 2. Start a free flight mission

Once the mission has been prepared, it can be started.

1. Place the drone in a clear area of at least 10 by 10 meters that can get easily GPS signal.
2. Turn on the remote controller and eventually the Wi-Fi range extender if flying a P2V(+).
3. Turn on the drone.
4. (DJI) Set the drone to be flown in manual model by switching the correspond button on the controller.

_ Tip: To set the manual mode:
  • (P2V, P2V+, P3S) Flip the S1 button to the down position.
  • (I1, P3A, P3P) Switch the P.A.F. button to the P position.
  • (P4) Switch the P.S.A. button to the S position.

5. In the App, click .

 
Note: The drone will not takeoff at this points.

6. Read carefully the safety instructions that are displayed and click Next.

7. Check that the App is connected to the drone. If yes, click Next.

 
Note: If you were already connected to this drone in the past, the App will connect automatically.

8. Verify that all security checks that are displayed are green. If yes, the drone can start taking pictures. If not, solve each security issue until it becomes green. For more information on how to solve the security issues: 204113219.

9. Manually take off and fly towards the area to be mapped.
10. Press on the button  to start taking pictures.
11. Fly over the area of interest until images have been taken to cover the whole area.

 
Note:

During the mission:

  • The map view displays the current position of the drone. It allows to keep track of the mission.
  • When the drone reaches the mission altitude, check that the camera is pointing towards the area of interest. It can happen that the gimbal is not properly initialized and that the camera is not looking in the correct direction. The gimbal can be manually changed during flight by going to the camera view and pressing the down arrow. For more information about the camera view: 203873435.
  • The signal to take a picture is sent from the App during the mission. If there is an issue with the App or the device, no images are taken and the mission has to be redone.
 
Tip:
  • Don't fly too fast. If you fly too fast, the App will not be able to record the images at the requested intervals.
  • If pictures are missing over an area, fly back to that area. The App will record the missing pictures.

12. When the area has been covered, press  to end the image acquisition.


13. Land the drone and synchronize the images with the device following: 202557269.

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