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Box 4

 Container

Contains 14 Collections and/or Records:

Engineering Drawings, Papers, and Articles, 1941 - 1948

 Series — Multiple Containers
Identifier: MSA 25, Series 1
Scope and Contents Series one has a strong focus on the unique air safety contributions Johnson made to aviation and aeronautical engineering. Included are Johnson's engineering drawings, papers he authored, various articles, biographical information, clippings, certificates, correspondence, manuals, memorandums, memoirs, "reading files," records, reports, and transcripts.Highlights of this series are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure - The Key to Flight...
Dates: 1941 - 1948

Papers, 1929 - 2008

 Sub-Series — Multiple Containers
Identifier: MSA 25, Series 1, Sub-Series 6
Scope and Contents The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1929 - 2008

United Air Line annual reports, 1941 - 1944

 File — Box: 4, Folder: 1
Identifier: MSA 25, Series 1, Sub-Series 6, File 42
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1941 - 1944

"Accidents - Planes", 1941 - 1945

 File — Box: 4, Folder: 2
Identifier: MSA 25, Series 1, Sub-Series 6, File 43
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1941 - 1945

An All-Weather Approach and Landing Technique for DC-3 Airplanes , 1941

 File — Box: 4, Folder: 3
Identifier: MSA 25, Series 1, Sub-Series 6, File 44
Scope and Contents (Includes comments about the technique in correspondence from Hugh Coleman.)
Dates: 1941

An All Weather Approach and Landing Technique for DC-3 Airplanes, 1942

 File — Box: 4, Folder: 4
Identifier: MSA 25, Series 1, Sub-Series 6, File 45

All Weather Flight Methods - Military, 1942 - 1943

 File — Box: 4, Folder: 5
Identifier: MSA 25, Series 1, Sub-Series 6, File 46
Scope and Contents (Includes correspondence written by Johnson and from Johnson's colleagues concerning all-weather approach and landing technique with DC-3 airplanes and the creation of a training film.)
Dates: 1942 - 1943

All Weather Flight Techniques, 1941 - 1945

 File — Box: 4, Folder: 6
Identifier: MSA 25, Series 1, Sub-Series 6, File 47
Scope and Contents (Contains correspondence to and from Ralph Johnson, United Airlines, in regards to the all-weather flight techniques, along with some notations and designs by Johnson.)
Dates: 1941 - 1945

National Advisory Committee for Aeronautics, Heated-Wing De-Icing System, Lockheed 12 Airplane, 1941

 File — Box: 4, Folder: 7
Identifier: MSA 25, Series 1, Sub-Series 6, File 48
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1941

E-74-2, National Advisory Committee for Aeronautics, De-Icing Strategies Sub-Committee, 1941 - 1944

 File — Box: 4, Folder: 8
Identifier: MSA 25, Series 1, Sub-Series 6, File 49
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1941 - 1944

Flight Principals, War Training Institute, 1942

 File — Box: 4, Folder: 9
Identifier: MSA 25, Series 1, Sub-Series 6, File 50
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1942

Aircraft Radio Direction Finding, reports #1 - #5, circa 1942

 File — Box: 4, Folder: 10
Identifier: MSA 25, Series 1, Sub-Series 6, File 51
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: circa 1942

United Air Lines, Radio Range Orientation Procedures

 File — Box: 4, Folder: 11
Identifier: MSA 25, Series 1, Sub-Series 6, File 52
Scope and Contents From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.
Dates: 1929 - 2008

Ralph S. Johnson papers

 Collection — Multiple Containers
Identifier: MSA 25
Scope and Contents The Ralph S. Johnson papers document the pioneering aviation career of Ralph S. Johnson. Included among the papers are aeronautical engineering drawings done by Johnson, along with articles and papers authored by him. The newspaper clippings, awards, and honorary Doctorate of Engineering from Purdue University focus on the latter part of his career, as he was being recognized as an aviation pioneer. The biographical information was often collected and written by the authors, as a...
Dates: 1924 - 2010; Majority of material found within 1930 - 1947