From the late 1940s until the early 1970s guides in Alaska took their clients sport hunting for polar bears from airplanes. At times the planes were used to herd the bears towards the waiting hunters.
The hunt and some of its economics were described by U.S. delegations to early (1965-1974) international meetings on the status of the polar bear. I think that much of the following material was prepared by Jack Lentfer, a government bear biologist who attended these meetings.
By way of orientation, the hunts were originating in six or seven small communities from the tip of Alaska's nose, and up along its forehead, and being flown into the Chukchi Sea and the western Beaufort Sea. Little Diomede Island, which you will read about, is right in the Bering Strait.

The aerial sport harvest began sometime in the late 1940s. Before that most hunting had been by Alaska Natives for subsistence and income (Polar Bear Management in Alaska; Jack Lentfer, Third International Conference on Bears, 1974):