Backup
He radioed the control tower, trying to remain calm. In both cases, his calls went unanswered. There was a sense of panic in his voice. In order to safely land the plane, the pilots needed a new route.
They needed it as soon as possible. They didn’t receive any response to their distress calls.
There was no doubt that Tony was panicking just as much as the passengers, and Paul knew he would snap at any moment.