In the pre-radar time observation planes were providing an essential feedback to the Fire Control Officer. This was making the firing much more accurate over time.

The first step is to launch the airplane, click the “Ready” button, the preparation of the catapulting is taking several minutes.
It will take also a few minutes once the airplane is in the air to establish the connection with the firing unit.

When the airplane is actively spotting you will have a special icon indicating an active radio connection.

During the launch phase, it is important to avoid direction changes as it could damage the plane.