CTA

CTA may refer to:

Science

• Cellulose triacetate
• Chain transfer agent
• Charge transfer amplifier
• Computed tomography angiography
• Cherenkov Telescope Array, a project to build a system of very high energy gamma ray telescopes.
• Constant temperature anemometry
• The medical jargon "Clear to auscultation," for lungs are clear when listening; see List of medical abbreviations: C

Finance

• Commodity Trading Advisor
• Client Trading Account Surveillance System, stock surveillance system

Organisations

In North America

• California Teachers Association, a labor union
• California Technology Agency, a California cabinet-level state agency
• Call to Action, a Christian organization
• Canadian Transportation Agency
• Central Toronto Academy, formerly called Central Commerce Collegiate
• Chicago Transit Authority, the official public transportation authority for the city of Chicago
• Chisholm Trail Academy
• Colorado Translators Association
• Columbus Torah Academy
• Consolidated Tape Association, which oversees stock market transactions in the United States
• Consumer Technology Association, formerly Consumer Electronics Association

In Asia

• Central Tibetan Administration
• China Tourism Academy
• Chinese Taoist Association
• Crystal Thai Airlines

In Europe, Africa, and South America

• Cairo Transportation Authority
• Central de los Trabajadores Argentinos
• Cyprus Turkish Airlines
• Technical Centre for Agricultural and Rural Cooperation ACP-EU (CTA)

Places

• Central African Republic (FIFA code: CTA)
• Catania-Fontanarossa Airport (IATA code)
• Central Texas Airport

Other

• Call to action (marketing), a web design tenet that requires each page to clearly indicate the desired user response
• Call to arms
• Cased telescoped ammunition
• Central technical area, an equipment room used in broadcasting facilities
• The Chicago Transit Authority, former name of the American band Chicago
• Container Terminal Altenwerder
• Common Tasks for Assessment, an educational programme run by the Department of Education of South Africa
• Common Travel Area, comprising Ireland, Great Britain, the Isle of Man and the Channel Islands
• Control area, controlled airspace that exists in the vicinity of an airport
• Copyright transfer agreement, used in publishing

Profession

• Chartered Tax Adviser, a tax accountant who is a member of The Chartered Institute of Taxation (UK) or The Tax Institute (Australia)
• Commodity trading advisor
• Cryptologic technician administrative

Legislation

• Children's Television Act, American legislation passed in 1990 that enforces a certain degree of educational television
• Counter-Terrorism Act 2008
• Criminal Tribes Act, British legislation in India passed in 1871 which labelled entire communities as criminal