Lockheed Aircraft Corporation -- Army Preliminary Evaluation I and Research and Development Acceptance Test I AH-56A Cheyenne Compound Helicopter, (1972)

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  Lockheed Aircraft Corporation -- Helicopter, Attack, AH-56A, (1971)

  Manuscripts

  Series 1 consists of material related to Yackle's career at Kellett Aircraft Corporation. Although, he did spend two years at Chase Aircraft Company between 1948 and 1950, those items have been included in this series. Found in this series are, but not limited to, correspondence, interdepartmental memorandums, technical data, diagrams, blueprints, reports, papers, printed ephemera, manuals, and presentation material. These items are not exclusively related to Kellett Aircraft Corporation, but also other aerospace companies and organizations accumulated by Yackle.

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  Lockheed Aircraft Corporation -- Application of the Compound Helicopter, (1972)

  Manuscripts

  Series 1 consists of material related to Yackle's career at Kellett Aircraft Corporation. Although, he did spend two years at Chase Aircraft Company between 1948 and 1950, those items have been included in this series. Found in this series are, but not limited to, correspondence, interdepartmental memorandums, technical data, diagrams, blueprints, reports, papers, printed ephemera, manuals, and presentation material. These items are not exclusively related to Kellett Aircraft Corporation, but also other aerospace companies and organizations accumulated by Yackle.

  mssYackle

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  Lockheed Aircraft Corporation -- Austere Cheyenne, (1972)

  Manuscripts

  Series 1 consists of material related to Yackle's career at Kellett Aircraft Corporation. Although, he did spend two years at Chase Aircraft Company between 1948 and 1950, those items have been included in this series. Found in this series are, but not limited to, correspondence, interdepartmental memorandums, technical data, diagrams, blueprints, reports, papers, printed ephemera, manuals, and presentation material. These items are not exclusively related to Kellett Aircraft Corporation, but also other aerospace companies and organizations accumulated by Yackle.

  mssYackle

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  Lockheed Aircraft Corporation -- AH-56, [undated]

  Manuscripts

  Series 1 consists of material related to Yackle's career at Kellett Aircraft Corporation. Although, he did spend two years at Chase Aircraft Company between 1948 and 1950, those items have been included in this series. Found in this series are, but not limited to, correspondence, interdepartmental memorandums, technical data, diagrams, blueprints, reports, papers, printed ephemera, manuals, and presentation material. These items are not exclusively related to Kellett Aircraft Corporation, but also other aerospace companies and organizations accumulated by Yackle.

  mssYackle

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  Lockheed Aircraft Corporation -- AH-56, (1971)

  Manuscripts

  Series 1 consists of material related to Yackle's career at Kellett Aircraft Corporation. Although, he did spend two years at Chase Aircraft Company between 1948 and 1950, those items have been included in this series. Found in this series are, but not limited to, correspondence, interdepartmental memorandums, technical data, diagrams, blueprints, reports, papers, printed ephemera, manuals, and presentation material. These items are not exclusively related to Kellett Aircraft Corporation, but also other aerospace companies and organizations accumulated by Yackle.

  mssYackle

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  Lockheed Aircraft Corporation -- AH-56, [undated]

  Manuscripts

  Series 1 consists of material related to Yackle's career at Kellett Aircraft Corporation. Although, he did spend two years at Chase Aircraft Company between 1948 and 1950, those items have been included in this series. Found in this series are, but not limited to, correspondence, interdepartmental memorandums, technical data, diagrams, blueprints, reports, papers, printed ephemera, manuals, and presentation material. These items are not exclusively related to Kellett Aircraft Corporation, but also other aerospace companies and organizations accumulated by Yackle.

  mssYackle