Who needs high tech??? <img border="0" title="" alt="[Confused]" src="confused.gif" /> . .. .Back in the Good Old Days the DC8 50 series had little vertical strips of Al on the bottom of the oleos. Bent strip = hard landing check. We groundies called them "lie detectors". <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" />