Adopts the Computer Graphics Metafile (CGM) standard ISO/IEC 8632:1999 parts 1,3 and 4 and the following profiles: A - Web CGM profile (REC-WebCGM-19990121) B - Air Transport Association (ATA) Specification iSpec 2200, Information Standards for Aviation Maintenance, Section 5-2-4.7.1 C - Model profile as contained in ISO/IEC 8632:1999.