gather coordinates for vertex at highest point on specific geometry leaf?

Discussion created by rhexter on Nov 27, 2012
Latest reply on Nov 28, 2012 by MBuehler-esristaff
I struggling to figure out how to locate the vertex with the highest y coord within a model.
I'm looking for it to place air traffic type warning lights.
I would assume that I would look for a vertex that is at the same height as the current scope?

any ideas?