Film was made during photography and mapping flights by Bradford Washburn flying from Fairbanks in a Lockheed Electra twin-engined airplane operated by Pacific Alaska Airways (PAA). The flights were primarily directed at Mt. McKinley but also included one north to the Brooks Range and another to the east along the Alaska Range. Part 1 (AAF-9350) images includes the title "Flight Over Mount McKinley" and credit frames, Alaska Steamship dock and ship departing Seattle, ship travel north, animated map showing travel, title frames with credits, PAA Electra departing Junea, flight to Whitehorse, refueling at Whitehorse, flight to Fairbanks, aerial view of and landing at Fairbanks. Part 2 (AAF-9351) duplicates part 1 with slight variation. Part 3 (AAF-9352) images include aerial views of flight around Mt. McKinley, interior shots of Electra, and Brad Washburn taking pictures from open doorway of airplane using still and motion picture cameras. Part 4 (AAF-9353) images include removing door of Electra at Fairbanks, Washburn preparing cameras, animated map showing flight routes and dates, and aerial view of mountains. Part 5 (AAF-9354) images include aerial views of mountains, Washburn taking pictures from airplane, aerial views of mountains, and aerial view of the Tanana River. Part 6 (AAF-9355) images include Washburn with cameras, Electra at Whitehorse, cameras, Electra interior, aerial views of mountains, animation of gold bearing ground, aerial view of tailing piles and dredge, brief glimpses of hydraulic giants at work, and Alaska Steamship Lines dock at Seattle.