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This document provides airlines, airframe manufacturers, aircraft equipment suppliers, and others with information that is specific to data, software, and ground tools used in aviation configuration and data management. As a starting point, this document provides guidance on: Which standard to use in specific situations The use of and how integrity checks should be applied Common terminology in airborne software management Since airplanes started using software controlled hardware, there has been a need to standardize processes and terminology. This document is the centroid to which other software standards are related.

The purpose of this standard is to provide a method for packaging aircraft software parts for distribution using contemporary media or by electronic distribution. This project intends to standardize and provide guidance for the storage of floppy based software, currently packaged in media set parts. This standard format can be then stored or distributed on a single physical media member (CD-ROM), or by electronic crate. The obsolescence of floppy disks drive an urgent need for this guidance.

This specification defines general architectural philosophy and specific design guidance for the proper installation and interface of various cabin equipment within the seats. Consistency with this specification allows each component installed on the seat to operate in concert when integrated with other relevant cabin type equipment. Standard electrical and mechanical interfaces of the In- Flight Entertainment System (IFES) equipment for the 3rd Generation Cabin Network (3GCN) associated with the seat are defined. This equipment consists of the headphone jacks (HPJ), passenger control unit (PCU)/multi function handset (including the cord), seat video display (SVD), remote data outlet (RDO), integrated seat box (ISB) which includes the seat power box (SPB)/seat data box (SDB), remote power outlet (RPO), and in-seat cables. Appropriate definitions are also provided for other electrical devices associated with the seat control/position mechanism.

This specification defines the addressing plan and rules for addressing used in Aircraft Data Networks (ADN). The plan is organized in accordance with the seven-layer Open Systems Interconnection (OSI) Reference Model. The specification sets forth the structure of addresses that are employed in the ADN and guidance for address determination. This guidance ensures that all applications - that use this address structure to send messages - can know the address structure of the destination(s) at configuration-time.

Cabin equipment interfaces Part 4B is similar to description provided for Part 4A. The significant difference is that Part 4B specifies a CDS using a star wiring topology. Standardized wiring, connectors and installation requirements for a passenger seat network, overhead video network, and cabin management equipment network are included. Electrical and fiber optic networks are covered.

This guidance standard was prepared in response to a need stated by air transport operators for uniformity in further subdividing the ATA Spec. 100 number system to better accommodate avionics systems. The ATA numbers are widely used in the maintenance community for inventory control, instruction manuals and equipment modification Service Bulletins.