WSKG (https://wskg.org/npr_story_post/tanker-plane-fighting-australias-bushfires-crashes-killing-crew-of-3/an-air-tanker-operated-by-canada-based-coulson-aviation-drops-fire-retardant-on-the-morton-fire-burning-in-bushland-close-to-homes-at-penrose-south-of-sydney-australia-earlier-this-month/)