Discussion
Life cycle cost comprises
Answer: B
Correct answer: RDT&E, production, operating and disposal
Life cycle cost is the total cost of an aircraft from concept to retirement, comprising research, development, test and evaluation; production; operation and support; and disposal.
The reason for taking all four together is that they trade against one another. Spending more in development on a lighter structure or a more efficient engine raises RDT&E and production cost but reduces fuel and maintenance over decades of service - and since operation and support typically dominate the total, that is usually a good trade. Any narrower definition hides exactly those trades.
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