"Gig 601XL Builder" wrote in message
...

OK Steven, please inform us what electronic navigation
systems these lines are referring to...

2. Demonstrates the ability to use an airborne electronic navigation
system.
3. Locates the airplane's position using the navigation system.
4. Intercepts and tracks a given course, radial or bearing, as
appropriate.


It doesn't refer to any specific system. The requirements can be satisfied
with ADF.