AAR

Look up Aar or AAR in Wiktionary, the free dictionary.

AAR is a three-letter acronym that may refer to:

Aviation

• AAR Corporation, an American aviation engineering company
• "Air-to-air refueling", also known as aerial refueling, the practice of transferring fuel from one aircraft to another during flight
• AAR, IATA airport code for Aarhus Airport in Tirstrup, Denmark
• AAR, ICAO airline code for Asiana Airlines of South Korea

Finance

• Average accounting return, a capital budgeting investment rule

Medicine

• Adam's apple reduction, a surgery
• Antigen-antibody reaction

Military

• After Action Review, a structured review process used by the U.S. military
• After Action Report, military terminology

Music

• The All-American Rejects, an American rock band

Organizations

• All American Racers, a former Formula 1 and CART team
• Allens Arthur Robinson, a law firm
• American Academy of Religion, an association of academics who research or teach topics related to religion
• Association for Automated Reasoning, a non-profit that seeks to advance the field of automated reasoning
• Association of American Railroads, an industry trade group representing the freight railroads of North America

Television & Radio

• Air America Radio, a domestic United States radio network

Other

• Afar language (ISO 639 language identification code)
• Ann Arbor Railroad, a railroad
• "At any rate": see List of SMS abbreviations

See also

• Aar, a river in Switzerland
• Aar (Lahn), a river in Germany

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