Integrated modular avionics

Advancements in technology have enabled the avionics industry to develop design concepts which result in highly integrated digital avionics under software control. This approach, collectively referred to as integrated modular avionics (IMA), introduces methods which will result in substantial cost savings compared to earlier avionics implementations. The IMA concept is described together with the benefits that airlines can expect as a result of this avionics architecture. The author reports on IMA design goals, line replaceable modules (LRMs), maintenance and support strategies for IMA-equipped aircraft, modularity goals, packaging goals, and interchangeability goals