Date: 11/29/1999 Views: 3064
Date: 01/09/2010 Views: 3536
Date: 11/30/2005 Views: 2034
Date: 08/23/2023 Views: 93039
Date: 05/23/2007 Views: 534825
Starting point for the measurement of the main square beam. Also shows where the tailwheel "U" channel begins.