The purpose of this study was to examine the method for collecting historical engine data and the influence of various managerial decisions on engine workload forecasts. The J79-GE-15 and TF30-PW-7 engines were selected for this study and were assumed to be representative of engines with large and small inventories. The data base was prepared from approximately 180000 AF Form 1534's 'Engine Status Report'. The authors concluded that cluster sampling procedures could significantly reduce the number of bases required to report engine failure data. In addition, it was noted that small changes in the managerial decisions which establish planning factors related to flying hour programs. Maximum Operating Time (MOT), Jet Engine Base Maintenance Return Rate (JEBM/RR), and Dependability Index (DI) could significantly effect the actuarial forecast. Further research is recommended to develop a deterministic method of establishing MOT, JEBM/RR, and DI factors. The data handling tools developed by this research are included as appendixes for use by future researchers. (Kursetz)
The engine actuarial system
Statistisches Auswertungssystem fuer Flugzeugantriebe
US Government Reports ; 1-145
1976
145 Seiten
Report
English
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