When attempting to install and use the Cerulean Surveyor Multibeam Echosounder i am unable to add sonar view as a extension. when i go to access the extension page in BlueOS i get the errors “Failed to fetch extension manifest.” or “Vehicle is not connected to the internet.” how am i able to ensure that the blue boat is connect to the internet to be able to install the extension. within the blueOS i am getting a connection but it is not also connecting to the internet. the Blue boat is otherwise working via Qgroundcontrol.
Hi @E.moulds, welcome to the forum 
Have you connected your BlueBoat to your local WiFi network?
Note that connecting your computer to the BaseStation allows your device to communicate with the BlueBoat, but is unrelated to the boat being able to find and install updates and Extensions.
Solved i switch the priority of the different ways to connect within pirate mode.