: Used when someone other than the original manufacturer modifies an aircraft's design. Technical Review of the .rar File
: Approval of the aircraft's design and components. DODIGV164.part21.rar
: Multi-part RAR files require all segments to be present in the same folder. If "part21" is the final part, you will also need the preceding 20 files to extract the content. : Used when someone other than the original