World Aviation Congress & Exposition Technical Session Schedule Wednesday, September 10 Ever Changing Maintenance Regulations (Session Code: WAC46) Room 511A  1:00 p.m. This session will explore the changing aviation regulations aimed at airplane maintenance on an international level, with a particular interest in Aviation Safety and Maintenance Human Factors. Organizers - Elizabeth Tilden, National Transportation Safety Board Chairpersons - Michael S. Bartron, Pratt & Whitney Panelists - John J. Goglia, National Transportation Safety Board Elizabeth Tilden, National Transportation Safety Board