# PAC

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**Pac** or **PAC** may refer to:

## Aviation

- IATA code PAC [Albrook "Marcos A. Gelabert" International Airport](/source/Albrook_%22Marcos_A._Gelabert%22_International_Airport) in Panama City, Panama
- [Pacific Aerospace Corporation](/source/Pacific_Aerospace_Corporation), New Zealand, manufacturer of aircraft: - [PAC 750XL](/source/PAC_750XL) - [PAC Cresco](/source/PAC_Cresco) - [PAC CT/4](/source/PAC_CT/4) - [PAC Fletcher](/source/PAC_Fletcher)
- [Pakistan Aeronautical Complex](/source/Pakistan_Aeronautical_Complex), aerospace manufacturer
- [Polar Air Cargo](/source/Polar_Air_Cargo) airline, Purchase, New York, US

## Commerce

- [Panasonic Avionics Corporation](/source/Panasonic_Avionics_Corporation), produces equipment and services for in-flight entertainment, etc.
- [Peruvian Amazon Company](/source/Peruvian_Amazon_Company), a former rubber company
- Planned Amortization Class, a type of [collateralized mortgage obligation](/source/Collateralized_mortgage_obligation#Schedule_bonds_(also_called_PAC_or_TAC_bonds))
- [Programa de Aceleração do Crescimento](/source/Programa_de_Acelera%C3%A7%C3%A3o_do_Crescimento), an investment plan in Brazil

## Education

- [Panasonic Academic Challenge](/source/Panasonic_Academic_Challenge), a US national competition
- Postgraduate Applications Centre, Ireland
- [Prince Alfred College](/source/Prince_Alfred_College), Australia
- [Peres Academic Center](/source/Peres_Academic_Center), a private college in Israel

## Military

- [Civil Defense Patrols](/source/Civil_Defense_Patrols) (*Patrullas de Autodefensa Civil*), Guatemalan militia and paramilitary group
- Patriot Advanced Capability, of the [MIM-104 Patriot](/source/MIM-104_Patriot#Variants) missile
- [Rapid Deployment Force (Malaysia)](/source/Rapid_Deployment_Force_(Malaysia)), an armed forces unit

## People

- [Pac (wrestler)](/source/Pac_(wrestler)) (born 1986), English professional wrestler
- [Pac (family)](/source/Pac_(family)), of the Grand Duchy of Lithuania
- [Tupac Shakur](/source/Tupac_Shakur) or Pac, 2Pac (1971–1996), American rapper

## Politics

- [Anti-Corruption Party](/source/Anti-Corruption_Party) (*Partido Anti-Corrupción*), Honduras
- [Armed Proletarians for Communism](/source/Armed_Proletarians_for_Communism) (*Proletari Armati per il Comunismo*), a former Italian group
- [Pan Africanist Congress](/source/Pan_Africanist_Congress), South Africa
- [Partido Acción Ciudadana (disambiguation)](/source/Partido_Acci%C3%B3n_Ciudadana_(disambiguation)), several political parties in Latin America
- [Peoples' Aman Committee](/source/Peoples'_Aman_Committee), a criminal gang and welfare group associated with the Pakistan Peoples Party
- [Political action committee](/source/Political_action_committee), U.S. political fundraiser
- [Political Affairs Committee (British Guiana)](/source/Political_Affairs_Committee_(British_Guiana))
- [Polish American Congress](/source/Polish_American_Congress)
- [Public Accounts Committee](/source/Public_Accounts_Committee): - [Public Accounts Committee (India)](/source/Public_Accounts_Committee_(India)) - [Public Accounts Committee (Ireland)](/source/Public_Accounts_Committee_(Ireland)) - [Public Accounts Committee (Malaysia)](/source/Public_Accounts_Committee_(Malaysia)) - [Public Accounts Committee (United Kingdom)](/source/Public_Accounts_Committee_(United_Kingdom))
- [Public Affairs Committee (Malawi)](/source/Public_Affairs_Committee_(Malawi))

## Science and technology

### Biology and medicine

- [Physician assistant, certified](/source/Physician_assistant#Nomenclature), commonly abbreviated in the USA as PA-C
- Plasma [aldosterone](/source/Aldosterone) concentration
- [Post-abortion care](/source/Post-abortion_care)
- [Pre-anesthesia checkup](/source/Pre-anesthesia_checkup)
- [Premature atrial contraction](/source/Premature_atrial_contraction), a cardiac dysrhythmia
- [Photoactivated adenylyl cyclase](/source/Photoactivated_adenylyl_cyclase), a light-sensitive protein
- [Proanthocyanidin](/source/Proanthocyanidin), a type of flavanol
- [Pulmonary artery catheterization](/source/Pulmonary_artery_catheterization)

### Computing and industrial

- Pacifica Coin, see [List of TCP and UDP port numbers#Registered ports](/source/List_of_TCP_and_UDP_port_numbers#Registered_ports)
- [Perceptual Audio Coder](/source/Perceptual_Audio_Coder), a lossy audio compression algorithm
- Pin Array Cartridge, an [integrated circuit packaging type](/source/List_of_electronic_component_packaging_types)
- [Pointer Authentication Code](/source/Pointer_Authentication_Code), an ARM security feature
- [Probably approximately correct](/source/Probably_approximately_correct), in machine learning
- [Presentation–abstraction–control](/source/Presentation%E2%80%93abstraction%E2%80%93control), in software architecture
- Programmable Automation Controller; see [Computer appliance](/source/Computer_appliance)
- [Proxy auto-config](/source/Proxy_auto-config), a web browser technology

### Other science and technology

- [Perturbed angular correlation](/source/Perturbed_angular_correlation)
- Polyaluminium chloride, less effective than [aluminium chlorohydrate](/source/Aluminium_chlorohydrate) for water treatment
- [Porting Authorisation Code](/source/Porting_Authorisation_Code), to transfer mobile phone numbers
- [Pseudo algebraically closed field](/source/Pseudo_algebraically_closed_field) (PAC field), in mathematics
- Powdered activated carbon, used in [electrochemical regeneration](/source/Electrochemical_regeneration)
- *[Pure and Applied Chemistry](/source/Pure_and_Applied_Chemistry)*, the official monthly journal of IUPAC

## Sports

- Pennsylvania Athletic Conference, former name of the [Colonial States Athletic Conference](/source/Colonial_States_Athletic_Conference), an NCAA Division III collegiate athletic conference located in Pennsylvania, United States
- [Pioneer Athletic Conference](/source/Pioneer_Athletic_Conference), a high school athletic conference located in Pennsylvania, United States
- [Pocket Athletic Conference](/source/Pocket_Athletic_Conference), a high school athletic conference located in Indiana, United States
- [Presidents' Athletic Conference](/source/Presidents'_Athletic_Conference), an NCAA Division III collegiate athletic conference located in the Appalachian region of the United States

## Other uses

- [Pac, Albania](/source/Pac,_Albania), a village in Bytyç, Albania
- [Padiglione d'Arte Contemporanea](/source/Padiglione_d'Arte_Contemporanea), a museum in Milan, Italy
- Pan Asian Coalition, faction in the computer game *[Battlefield 2142](/source/Battlefield_2142)*
- [Parent-Adult-Child](/source/Parent-Adult-Child), a model in transactional analysis
- [Perfect authentic cadence](/source/Perfect_authentic_cadence), in music
- [Performing arts center](/source/Performing_arts_center)
- [Providence Anime Conference](/source/Providence_Anime_Conference), 2008
- [Public assistance committee](/source/Public_assistance_committee), a body in the UK for assisting the poor between 1930 and 1940

## See also

- [Pac-12 Conference](/source/Pac-12_Conference) (Pac-12), a US college athletic conference
- [Pac-Man (disambiguation)](/source/Pac-Man_(disambiguation))
- [Public Affairs Council (disambiguation)](/source/Public_Affairs_Council_(disambiguation))

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