Moorehead, Robert W. | Search NASA

NASA NTRS1989

America's shuttle returns to space

The Shuttle management structure, streamlined since the Challenger accident, is outlined. The associate administrators for space flight are identified and their responsibilities clearly spelled out. The NASA policy of assigning astronauts to management positions is described. A spaceflight safety panel is described. Non-managerial safety enhancement programs are outlined. These include: solid rocker booster changes, shuttle crew escape systems, and landing improvements.

Moorehead, Robert W.↗

NASA NTRS1989

Space shuttle avionics system

The Space Shuttle avionics system, which was conceived in the early 1970's and became operational in the 1980's represents a significant advancement of avionics system technology in the areas of systems and redundacy management, digital data base technology, flight software, flight control integration, digital fly-by-wire technology, crew display interface, and operational concepts. The origins and the evolution of the system are traced; the requirements, the constraints, and other factors which led to the final configuration are outlined; and the functional operation of the system is described. An overall system block diagram is included.

Hanaway, John F.↗