The SHANNON Engineering, Inc. Collection is comprised predominantly of textual documents and a small number of visual materials that describe the work of Jack Shannon, the founder of the company, and his business’s engineering designs and aircraft manuals from 1970-1992. The textual materials are made up of company reports, hand-drawn technical designs, aircraft manual drafts, charts, certificates, correspondence, hand-written notes, clippings, and articles. The visual materials consist of 14 photographs, 172 photographic negatives, and 46 slides. The files have been grouped into three series that reflect the major projects of the company: Series I. Quiet 707 Noise Abatement Program, 1981-1992, Series II. Boeing 747 Deck Modification Project, 1986-1987, and Series III. Assorted Flight Manual and Design Projects, 1970-1982.

Documented in the collection are the company’s engineering designs related to its hush kits for noise abatement of the Boeing 707 aircraft that led to the “Quiet 707” and “Super Q”, as well as the company’s designs for critical structural modifications of the Boeing 747 aircraft for heavy loads. In addition, there are materials related to the company’s contracts to produce flight manuals and engineering designs for various airplanes, helicopters, and engine types, such as the Jetstar 73, various models of the Learjet, and preliminary designs for the Transonic Corporate Jet. The collection includes documentation on work between SHANNON Engineering, Inc. and other companies including Quiet Nacelle Corporation, Robertson Stol, Boeing Company, Columbia Helicopters, Incorporated, Dee Howard Company, Gates Learjet Corporation, Tracor, Inc., and the Federal Aviation Administration for approving the company’s designs and manuals.