ARINC Characteristic 717-15:2011

This document provides design guidance for the development and installation of a Digital Expandable Flight Data Acquisition and Recording System (DEFDARS) primarily intended for airline use. As such, this guidance will include specific requirements necessary to accommodate mandatory flight data recording and other flight data acquisition needs plus the requirements to ensure customer controlled interchangeability of equipment in a standard aircraft installation. The system capability was expanded to accommodate a data bus speed of 1024 words per second.