diff -u -r1.8 -r1.9
--- StereoHitMaker.java	21 May 2009 21:48:15 -0000	1.8
+++ StereoHitMaker.java	10 Mar 2010 21:41:29 -0000	1.9
@@ -184,6 +184,9 @@

      */
     private boolean CheckCross(HelicalTrackStrip strip1, HelicalTrackStrip strip2) {
 

+        //  Check that the strips have the same BarrelEndcap Flag
+        if (strip1.BarrelEndcapFlag() != strip2.BarrelEndcapFlag()) return false;
+

         //  Check that the sensors planes are parallel to each other
         if (VecOp.cross(strip1.w(), strip2.w()).magnitude() > _eps) return false;