Originally Posted by
FlightDetent
Exactly my point.
Read the rest of his post and you'll see it refutes your point.
There are differences between information displayed on your airborne avionic navigation system and the information shown on Jepp Charts.
THE CHARTS, supplemented by notams, ARE THE FINAL AUTHORITY
So yes some FMS databases don't have turns or waypoints below 400', however the chart itself is the final authority and you do what it says even if that differs from the FMS procedure.