7.D.4."Source code" incorporating "development" "technology" specified in 7.E.4.a.2., 7.E.4.a.3., 7.E.4.a.5., 7.E.4.a.6. or 7.E.4.b., for any of the following:

a. Digital flight management systems for "total control of flight";
b. Integrated propulsion and flight control systems;
c. "Fly-by-wire systems" or "fly-by-light systems";
d. Fault-tolerant or self-reconfiguring "active flight control systems";
e. Not used since 2012
f. Air data systems based on surface static data; or
g. Three dimensional displays.
Note 7.D.4. does not apply to "source code" associated with common computer elements and utilities (e.g., input signal acquisition, output signal transmission, computer "program" and data loading, built-in test, task scheduling mechanisms) not providing a specific flight control system function.