Indirect approaches to individual aircraft structural monitoring

Wallace, M., Azzam, H. and Newman, S. (2004) Indirect approaches to individual aircraft structural monitoring. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 218, (5), 329-346. (doi:10.1243/0954410042467059).


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At present, aircraft structural integrity is maintained by equally applying to an entire fleet knowledge obtained during the design phase and/or from a fleet sample and by introducing conservative assumptions, load surveys, costly inspections and maintenance procedures to safeguard airworthiness. Several investigations have highlighted the significant variations in individual aircraft usage and have indicated the inadequacy of applying "conservative" assumptions and updating the assumptions by monitoring a fleet sample. They have, in addition, suggested the importance of individual aircraft tracking (IAT). IAT can be achieved by fitting each aircraft with strain gauges to monitor critical component loads directly, but maintaining a large number of strain gauges entails high operational costs. Affordable IAT can be achieved by analysing recorded flight parameters to indicate usage, loads and fatigue indirectly. This paper reviews the key investigations into indirect IAT structural monitoring methods.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1243/0954410042467059
ISSNs: 0954-4100 (print)
Related URLs:
Keywords: aircraft structural monitoring, individual aircraft tracking (iat), recorded flight parameters
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 22970
Accepted Date and Publication Date:
Date Deposited: 23 Mar 2006
Last Modified: 31 Mar 2016 11:43

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