Commonality

Commonality
Southwest Airlines has operated a pure Boeing 737 fleet since 1971, operating nearly every variant of the type.

Aviation commonality describes the economic and logistic benefits of operating a standardized fleet of aircraft that share common parts, training requirements, or other characteristics. Commonality lowers the cost of operating a fleet of aircraft by reducing the quantity and variety of spare parts needed. Pilots and mechanics may also be very quickly "familiarized" to multiple types of aircraft that share common operating and maintenance procedures, reducing downtime.

Commonality policies may be defined in a variety of ways, depending on the operator:

  • By model (eg Boeing 737-700)
  • By family (eg Boeing 737)
  • By manufacturer (eg Boeing)
  • By engine (eg Rolls-Royce RB211)
  • Any combination of the above



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  • commonality — com‧mon‧al‧i‧ty [ˌkɒməˈnælti ǁ ˌkɑː ] noun [uncountable] MANUFACTURING when different products use the same parts in their production: • They will try to keep the proportion of common components as high as 90%, and this commonality could save… …   Financial and business terms

  • commonality — com mon*al i*ty n. 1. the sharing of common attributes. Syn: commonness. [WordNet 1.5] 2. a characteristic held in common; a common feature. [PJC] …   The Collaborative International Dictionary of English

  • commonality — index mutuality Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • commonality — late 14c., a community, from COMMON (Cf. common) (q.v.), as if from L. *communalitas. A respelling of commonalty (late 13c.). Meaning the common people is attested from 1580s; that of state or quality of being shared is from 1954 …   Etymology dictionary

  • commonality — ► NOUN (pl. commonalities) ▪ the sharing of features or attributes …   English terms dictionary

  • commonality — [käm΄ən al′ə tē] n. [ME communaltie < OFr communalté: see COMMUNAL & TY1] 1. the common people; commonalty 2. a sharing as of common features or characteristics …   English World dictionary

  • commonality — [[t]kɒmənæ̱lɪti[/t]] commonalities N VAR: oft N of n Commonality is used to refer to a feature or purpose that is shared by two or more people or things. [FORMAL] We don t have the same commonality of interest... I m going to look at some of the… …   English dictionary

  • commonality — commonalty com mon*al*ty, commonality com mon*al i*ty, n.; pl. {Commonalties}. [OF. communalt[ e]; F. communaut[ e], fr. communal. See {Communal}.] 1. The common people; those classes and conditions of people who are below the rank of nobility;… …   The Collaborative International Dictionary of English

  • commonality — noun (plural commonalities) 1》 the state of sharing features or attributes.     ↘a shared feature or attribute. 2》 (the commonality) another term for commonalty …   English new terms dictionary

  • commonality — /kɒmənˈæləti/ (say komuhn aluhtee) noun that which is common, shared or usual: the commonality of human experience teaches us to be more cautious as we age …  

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