A9

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For the Wikipedia A9 criterion for speedy deletion, see Wikipedia:Criteria for speedy deletion#A9.

A9, A.9, A09, A 9 or A-9 may refer to

Science[edit]

  • ATC code A09 Digestives, including enzymes, a subgroup of the Anatomical Therapeutic Chemical Classification System
  • Biolimus A9, an immunosuppressant
  • British NVC community A9, the Potamogeton natans community, one of the aquatic communities of the British National Vegetation Classification
  • HLA-A9, a broad antigen serogroup of Human MHC HLA-A
  • Subfamily A9, a Rhodopsin-like receptors subfamily

Technology[edit]

Aviation[edit]

Military[edit]

Other[edit]

See also[edit]

  • Grumman Gooseor Grumman OA-9, "Goose" amphibious aircraft in USAAC service
  • Northrop YA-9, a prototype attack aircraft developed for the United States Air Force