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• Cook, William Hough, Jr., 1913-2012 (2)
• Pennell, Maynard L., 1910-1994 (2)

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727 risks [Memo to Maynard L. Pennell from William H. Cook, March 21, 1960] (Item)

Memo to Maynard L. Pennell from William H. Cook, subject: "727 risks," March 21, 1960. Discusses Cook's concerns about the Boeing Model 727 and describes possible development and production risks. Three (3) typed pages.

Problem areas and potential inconsistencies in the 727 [Memo to Maynard L. Pennell from William H. Cook, March 21, 1960] (Item)

Memo to Maynard L. Pennell from William H. Cook, subject: "Problem areas and potential inconsistencies in the 727," March 21, 1960. Discusses potential engineering issues with the Boeing Model 727, such as proper handling during take-off and landing and the possibility of a Dutch roll problem. Two (2) typed pages.