This product is a Zip file that contains a subset of material in ARINC Specification 429, Part 1. Specifically: Attachment 1-1, Label Codes, in an Excel file; Attachment 1-2, Equipment Codes, in a Word file; Attachment 2A, Data Standards - BCD Data, in a Word file; and Attachment 2B, Data Standards - BNR Data, in a Word file