Vtg 1961 USAF AF Manual 51-9 Aircraft Performance Flight Engineer Book Cold War

Vintage original United States Air Force Manual 51-9 titled Aircraft Performance – Reciprocating and Turboprop Engine Aircraft.  Published by the Department of the Air Force and dated November 30, 1961, this training manual was designed primarily for prospective flight engineers and covers aircraft performance, flight planning, weight and balance, power plants, atmospheric conditions, mission planning, and operational data.  This manual contains technical illustrations, charts, diagrams, formulas, and instructional content related to reciprocating and turboprop-powered aircraft used during the Cold War era.  Details:  * Title: Aircraft Performance – Reciprocating and Turboprop Engine Aircraft  * Manual Number: AF Manual 51-9  * Department of the Air Force  * Dated: November 30, 1961  * Original vintage government publication  * Flight engineer training manual  * Numerous charts, graphs, technical illustrations, and reference material  Condition Notes:  * Cover shows wear, discoloration, and edge wear  * Lower corner of cover has damage/tearing  * Some staining present on several pages  * Binding remains intact  * Pages are generally clean and readable  * No major missing pages noted during inspection  A great addition for military aviation collectors, Air Force memorabilia enthusiasts, flight engineer historians, or anyone interested in vintage aircraft performance manuals.  Please examine all photographs carefully as they are part of the description.