(b)For RNP 4 operations, the flight crew
should not modify waypoints that have been retrieved from the database.
User-defined data (e.g. for flex-track routes) may be entered and used.
(c)The lateral
and vertical definition of the flight path between the FAF and the missed
approach point (MAPt) retrieved from the database should not be revised by the
flight crew.
Details
Source-Title:AMC3 NCC.OP.116 Performance-based navigation - aeroplanes and helicoptersView latest amendments