Bound operations manual titled “Saturn V Flight Manual SA 506,” dated February 25, 1969. Manual measures 8.25 x 10.75. An opening page states in part, “This manual was prepared to provide the astronaut with a single source reference as to the characteristics and functions of the SA-506 launch vehicle and AS-506 flight mission.” Manual is full of flow charts, check lists, and procedures for various states as well as emergency detection, performance, instrumentation, and mission variables. In fine condition. RRAuction COA.