McDonnell Douglas DC-10, APU Troubleshooting Guide, Undated

The William Butler Aircraft Maintenance Collection contains aircraft maintenance manuals, training books, handbooks, guides, aviation journals, and training tapes on aircraft maintenance and operations on various aircraft. Many of these publications date from the 1980s-1990s.

The collection is organized into three series: Series I: Maintenance Manuals, Training Books, Handbooks and Guides, 1943-1999 This series contains maintenance manuals, training books, handbooks, troubleshooting guides, system schematics, pilot guides, study guides and self study course materials. The series is divided into two subseries. Subseries I is arranged by manufacturer and is organized alphabetically by manufacturer and then aircraft model. There is a significant amount of material on the Boeing 727, 737, 747, and 757; and the McDonnell Douglas DC 9, DC 10, MD-11, MD-80 and MD-82. Subseries II, General, contains publications that are not specific to a single manufacturer's aircraft. The subseries is organized alphabetically by title. While primarily dating from the 1980s through 1990s, guides date as early as 1943 and cover topics such as aircraft maintenance technology, history of avionics, aviation weather, and mountain flying.

Series II: Aviation Journals, 1987-1988, 2000 Series II, Aviation Journals, contains sixteen copies of the periodical Aerospace American, apublication of the American Institute of Aeronautics and Astronautics, from April 1987 through December 1988. The journal offers insight into topics discussed by aerospace professionals in the late 1980s. Also included are two copies of Aircraft Maintenance Technology from April-June, 2000. In addition is a collection of four color-etch prints titled Wings of Glory: A Color-etch Collection of World War I Aircraft containing artwork by John Berkey and distributed by Southern California Gas Company.

Series III: VHS Training Tapes, 1984-1985, undated Series III, VHS Training Tapes, is arranged alphabetically by title and contains training videotapes on aviation maintenance topics primarily for Boeing 737 systems. Most of the tapes date 1984-1985, but there are also tapes that are undated. The videos contain information on engine fuel and lube systems, as well as major module assembly and disassembly. Other topics include the digital flight control system, flight management system, and intertial reference systems. The videos related to engine topics are labeled "Evendale Technical Training School".