# 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

- [ATC code A09](/source/ATC_code_A09) *Digestives, including enzymes*, a subgroup of the Anatomical Therapeutic Chemical Classification System
- [Biolimus A9](/source/Biolimus_A9), an immunosuppressant
- [British NVC community A9](/source/British_NVC_community_A9), the *Potamogeton natans* community, one of the aquatic communities of the British National Vegetation Classification
- [HLA-A9](/source/HLA-A9), a broad antigen serogroup of Human MHC HLA-A
- Subfamily A9, a [Rhodopsin-like receptors](/source/Rhodopsin-like_receptors) subfamily

## Technology

- [A9home](/source/A9home), a small form factor computer
- [A9.com](/source/A9.com), a website and search engine by Amazon.com
- [Apple A9](/source/Apple_A9), a 64-bit system on a chip (SoC) designed by Apple Inc.
- [Hanlin eReader A9](/source/Hanlin_eReader_A9), an ebook reader

## Aviation

- [Breda A.9](/source/Breda_A.9), a 1928 Italian biplane trainer aircraft
- [CallAir A-9](/source/CallAir_A-9) Quail, an agricultural aircraft
- [Georgian Airways](/source/Georgian_Airways)'s IATA code
- [Lockheed A-9](/source/Lockheed_A-9), a ground attack aircraft based on the Lockheed YP-24 fighter prototype
- [Northrop YA-9](/source/Northrop_YA-9), a ground-attack aircraft that competed with the Fairchild Republic A-10 Thunderbolt II

## Military

- A9, a military staff designation in the [continental staff system](/source/Staff_(military)#Continental_Staff_System)
- A 9, a [Swedish artillery regiment](/source/List_of_Swedish_artillery_regiments)
- A9, a model of German [Aggregate Series Rocket](/source/Aggregate_(rocket_family)#A9) from World War II
- [Cruiser Mk I (A9)](/source/Cruiser_Mk_I_(A9)), a British tank

## Music

- [A9 (band)](/source/A9_(band)), a Japanese rock band originally named Alice Nine
- A-9, a [Gibson mandolin guitar model](/source/Gibson_Guitar_Corporation_product_list#Mandolin_Family)

## Other uses

- [A9 (classification)](/source/A9_(classification)), an amputee sport classification
- A9 road, in several countries, see [List of A9 roads](/source/List_of_A9_roads)
- A9, an international [ISO 216](/source/ISO_216) paper size standard (37×52 mm)
- [A-9 Vigilance](/source/A-9_Vigilance), a fictional starfighter from the Star Wars universe
- [Arrows A9](/source/Arrows_A9), a 1986 British racing car
- [HMNZS *Manawanui* (A09)](/source/HMNZS_Manawanui_(A09)), a 1988 diving support vessel for the Royal New Zealand Navy
- [HMS *A9*](/source/HMS_A9), an A-class submarine of the Royal Navy
- [Réti Opening](/source/R%C3%A9ti_Opening) or A09, a chess opening
- [A9 TV](/source/A9_TV), a Turkish television station
- [Chery Fulwin A9](/source/Chery_Fulwin_A9), a mid-size sedan

## See also

- [Grumman Gooseor](/source/Grumman_Goose) Grumman OA-9, "Goose" amphibious aircraft in USAAC service
- [α9 (disambiguation)](/source/%CE%919_(disambiguation))
- [9A (disambiguation)](/source/9A_(disambiguation))

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Adapted from the Wikipedia article [A9](https://en.wikipedia.org/wiki/A9) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/A9?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.