Class A
Encyclopedia
Class A may refer to:
- Class A airfieldClass A airfieldClass A airfields were military installations originally built for the Royal Air Force in the Second World War. Several were transferred to the U.S...
, a standardised design for military airfields built throughout Britain from 1942 - Class A airspace, an airspace classAirspace classThe world's navigable airspace is divided into three-dimensional segments, each of which is assigned to a specific class. Most nations adhere to the classification specified by the International Civil Aviation Organization and described below...
defined by the ICAO - class A amplifier, a category of electronic amplifier
- Class A baseball, one of the lower levels of minor league baseballMinor league baseballMinor league baseball is a hierarchy of professional baseball leagues in the Americas that compete at levels below Major League Baseball and provide opportunities for player development. All of the minor leagues are operated as independent businesses...
in the U.S. - Class A broadcast station (see list of broadcast station classes)
- Class A Dress uniformDress uniformDress uniform , is the most formal military uniform, typically worn at ceremonies, official receptions, and other special occasions; with order insignias and full size medals...
, a type of military dress uniform - Class A driver's license in the United States
- Class A drug, a British drug classification defined by the Misuse of Drugs Act 1971
- Class A foams, a type of foam used in firefighting
- Class A motor home, one that is entirely coach-built
- Class A network, also known as a classful network, a type of IP address
- Class A (novel), the second book in the CHERUB series by Robert Muchamore
- Class A shareShare (finance)A joint stock company divides its capital into units of equal denomination. Each unit is called a share. These units are offered for sale to raise capital. This is termed as issuing shares. A person who buys share/shares of the company is called a shareholder, and by acquiring share or shares in...
, a (usually voting) fractional ownership of a corporation - Class A stars, a type of stellar classification
- Class A tennis, one of the levels of tennisTennisTennis is a sport usually played between two players or between two teams of two players each . Each player uses a racket that is strung to strike a hollow rubber ball covered with felt over a net into the opponent's court. Tennis is an Olympic sport and is played at all levels of society at all...
- Class A office space
- Class A surfacesClass A surfacesClass A surfaces is a term used in automotive design to describe a set of freeform surfaces of high efficiency and quality. Although, strictly, it is nothing more than saying the surfaces have curvature and tangency alignment - to ideal aesthetical reflection quality, many people interpret class A...
in automotive design - Class A television serviceClass A television serviceThe class A television service is a system for regulating some low-power television stations in the United States. Class A stations are denoted by the broadcast callsign suffix "-CA" or "-CD" , although very many analog -CA stations have a digital companion channel that was assigned the -LD...
, system for regulating low power stations in the United States