Originally Posted by PerfInit

How about a real time indicator for climb or descent gradient (flight path vector) combined with Angle of Attack (AOA) information which not only displays where you are going (3D) but also displays percent, angle or feet per nautical mile. That would be #1 on my wish list. The Vertcal Speed Indicator (VSI) is marginally helpful. Few aircraft have a Flight Path Vector (FPV) but most don’t include climb gradient information. Most IFR procedures require a climb gradient (standard is 200 feet per nautical mile) or a descent angle of around 3 degrees.