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Accession Number:
AD0773024
Title:
Analysis of Criteria for On-Condition Maintenance For Helicopter Transmissions
Descriptive Note:
Final rept.
Corporate Author:
BOEING VERTOL CO PHILADELPHIA PA
Report Date:
1973-09-01
Pagination or Media Count:
282.0
Abstract:
The report presents the results of a study which develops a rational approach for evaluating the potential of a helicopter transmission for on- condition operation. Integral to this study is the presentation of the mathematical relationship between component operating time and component hazard rate. It is postulated that the component hazard function is the crux of an on- condition analysis. Various methods of determining hazard functions were evaluated, and a conclusion is presented defining the most powerful of these techniques. An evaluation of the impact of on-condition transmission operation upon reliability, safety, availability, maintainability, mission reliability, and cost was developed. The conclusions of the study present the criteria for evaluating the potential of a newly designed or existing helicopter transmission for on-condition operation.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE
