105 glass plate negatives and 44 celluloid negatives capturing aviation-related events in Los Angeles during the 1920s.

The negatives include ten glass plate negatives of the landing and refueling of the Graf Zeppelin at Mines Field in Los Angeles in August 1929 as part of a three-week around the world flight. Newspaper publisher William Randolph Hearst's media empire paid half the cost of the project and arranged for four reporters to take part in the flight. The images in this collection capture preparations for the ship's landing at Mines Field in Los Angeles, completing the first ever nonstop flight across the Pacific Ocean. There are images of gas lines, moorings, and refueling the Graf, along with loading baggage and the unloading of passengers. The Graf's takeoff from Los Angeles was difficult because of high temperatures and an inversion layer. To lighten the ship, six crew were sent by airplane to the next stop, but the airship still suffered minor damage from a tail strike after barely clearing electricity cables at the edge of the field.

A few of the negatives show Charles Lindbergh and actor Will Rogers on a Maddux airlines flight. Lindbergh was a pilot for the airlines, which operated in California, Arizona, and Mexico in the late 1920s. It later merged and ultimately evolved into TWA airlines. Another group of images show the principals involved and the location of Chaplin Airlines, formed in 1919 by Sid Chaplin, half-brother to Charlie Chaplin. The airline provided the first regularly scheduled passenger service in the United States, shuttling people from the California mainland to Santa Catalina Island, along with bundles of the Los Angeles Examiner. Chaplin Airlines continued its service to Catalina Island until September 1920 when tighter restrictions were passed regarding the licensing of pilots and the implementation of taxes on planes and flights.

Another set of images under this series relate to the planning and events around the Los Angeles Examiner's Rickenbacker Club, named for Eddie Rickenbacker (1890-1973), the leading American ace of World War I and a Medal of Honor recipient. Originally, membership was extended to the Examiner carriers and corner boys. After its initial success, membership expanded to any child in Los Angeles interested in aviation. The celluloid negatives include a series of images related to the Pacific Electric's Balloon Route -- a day-long trolley trip operated by Pacific Electric to show tourists the sites. The Balloon Route boasted "10 beaches and 8 cities" and "101 miles for 100 cents in 1 day."