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Aviation commonality describes the economic and logistic benefits of operating a standardized fleet of aircraft that share common parts, training requirements, or other characteristics. ==Different types of commonality== Commonality policies may be defined in a variety of ways, depending on the operator: * for civilian aircraft: * * By model, same generation (e.g. Boeing New Generation 737-700, 737-700ER, 737-700C) * * By model, different generations (e.g. Boeing New Generation 737-700 and MAX 737-7) * * By family (e.g. Boeing 737) * * Between families (e.g. deck, between Boeing 767-400ER, 777 and 737 NG) * * By manufacturer (e.g. Boeing) * * By engine (e.g. Rolls-Royce RB211) * * Any combination of the above * for military aircraft, the same can be said: * * By model, same generation (e.g. General Dynamics F-16A, F-16B) * * By model, different generations (e.g. General Dynamics F-16A/B, multirole F-16C/D) * * By family (e.g. General Dynamics F-16) *Commonality can also be seen in engines : * * By family, same generation (e.g. RR Trent,〔(Trent XWB decision through Total Care programme )〕 GE T700〔(T700 Commonality Benefits Army and Apache Longbow Engine Upgrades )〕) * * By family, different generations (e.g. CFM 56-2, -3, -5, -7 〔(The CFM 56 engine family )〕) * * Between aircraft (Pratt & Whitney's F100 with the F-15 and F-16 fleet〔(General Electric, Pratt & Whitney Battle To Supply F-15K Engines )〕) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fleet commonality」の詳細全文を読む スポンサード リンク
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