NDLI: Operational availability modeling for risk and impact analysis

Content Provider	IEEE Xplore Digital Library
Author	Hurst, D.J.
Copyright Year	1995
Description	Author affiliation: Aerosp. Maintenance Dev. Unit, Astra, Ont., Canada (Hurst, D.J.)
Abstract	Availability is a system performance parameter which provides insight into the probability that an item or system will be available to be committed to a specified requirement. Depending on the application, availability can be defined to include reliability, maintainability and logistic support information. For fleet management purposes, the ability to quantify availability in terms of all of its contributing elements is essential. This paper provides a discussion on a steady state operational availability model which can be used to assist the Canadian Air Force in its aircraft fleet management requirements. The availability model embodies scheduled and unscheduled maintenance and allows for impact analysis using in-service maintenance data. The model is sensitive to fleet size, aircraft flying rate, frequency of downing events, aircraft maintainability, scheduled inspection frequency and scheduled inspection duration. The predictive capability of this availability model is providing the Canadian Air Force with a more sophisticated maintenance analysis decision support capability. In order for this paper to be available for general distribution, it must be unclassified. As a result, the case studies presented do not reveal the actual operational availability of any Canadian Air Force fleet. However, the level of detail provided is more than adequate to illustrate the case studies and give insight into applications of the availability model.
Starting Page	391
Ending Page	396
File Size	633365
Page Count	6
File Format	PDF
ISBN	0780324706
ISSN	0149144X
DOI	10.1109/RAMS.1995.513274
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-01-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Availability Risk analysis Military aircraft Frequency Inspection System performance Maintenance Logistics Information management Steady-state
Content Type	Text
Resource Type	Article

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