Originally Posted by CLT Guy

I don't know exactly what the question asks, but here is what I found that might help. I got this info from the ground school and systems manuals. Are they asking about RAIM or RNP?

RNP
4.0NM - Oceanic
2.0NM - Enroute
1.0NM - Terminal (initial, intermediate, and missed segments)
0.3NM - Approach (final segment)

and you must be within this 95% of the time.