Were they speaking to each other on some distant plane?

At 4:39 the muted sound of a distant plane could be heard in the sky.

The drone of a distant plane could be heard, preparing to land at Haneda.

Once you've got a feel for birds, you'd be more likely to mistake a distant plane for an eagle than you would a vulture.

The mind flayer did pause to wonder, for just a moment, how its companions fared in that distant plane.

The darkness deepened, then shifted, taking form on the distant plane that exists outside the world of the five senses.

By peering hard in the same direction, I could just make out the faint flicker of a distant plane.

Brian Burns told him stories about children dying in his arms and villagers running for cover at the sound of a distant plane.

Amazed, they scattered out a bit more, all staring at the distant plane.

She could see no building from this window, only a distant plane, deserted on a runway.