The Itasca Navigation System

The Itasca continued to try to get in contact with Airheart, but the only messages were either unintelligible or simply just static. The crew created clouds of black smoke to basically say, hey, Airheart, you can look for this. At 7.42 AM, Airheart was heard saying quote, we must be on you, but cannot see you. That gas is running low. She's repeating. We're on this north-south line. This is where we're at. And that's it. So from this, I don't think they were able to determine a location like one would with triangulation. There are only two sources here instead of three. Instead