The standard numbering system was published by the on June 1, 1956. This commonality permits greater ease of learning and understanding for, and alike. (November 2016) () () ATA 100 contains the reference to the ATA numbering system which is a common referencing standard for all documentation. Please help to this article by more precise citations. This article includes a, but its sources remain unclear because it has insufficient. Includes an explanation of the system of zoning and measurement used. Those charts, diagrams, and text which show the area, dimensions, stations, access doors / zoning and physical locations, of the major structural members of the aircraft.05-50-00 Unscheduled Maintenance Checks Chapter 06.