1986 Edition, December 1, 1986
Aircraft Engine Life Cycle Cost Guide
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Description / Abstract:
AIR 1939 addresses communication of LCC data between equipment
suppliers, aircraft engine
producers, aircraft manufacturers, and users, as illustrated in Figure
1. The LCC data categories
addressed include: research, development, test and evaluation
(RDT&E); acquisition (initial
procurement and investment); and operating and support (O&S)
costs. While input and output
formats are suggested, calculation procedures and cost methodology are
specifically excluded since
many LCC models preferred by the industry are company sensitive or
proprietary (Figure 1). The
relationship of LCC input data to program phase is described. Ground
rules and assumptions are
addressed. A glossary of LCC terms is provided. The LCC impact of
propulsion systems on other
aircraft systems is considered.