A Method for Assessing a System's Operational Effectiveness 700620

A method is presented for assessing the operational effectiveness of avionics hardware when formal means do not exist for supplier/user accumulation and evaluation of field data. The equipment selected for consideration was developed in 1962 and nearly 3500 systems have been delivered. Data provided are based on an evaluation of 76, 000 flights; 150, 000 flight hours; and 268, 000 system operating hours, and confirm good system performance in the field. This paper emphasizes the importance of understanding the differences between various performance parameters and discusses problems which may be experienced in the absence of such knowledge.


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