What does OA stand for?

MLA style: "OA." Acronym Finder . 2012. AcronymFinder.com 1 Jun. 2012 http://www.acronymfinder.com/On-Air-(TV%2c-radio)-(OA).html
Chicago style: Acronym Finder . S.v. "OA." Retrieved June 1 2012 from http://www.acronymfinder.com/On-Air-(TV%2c-radio)-(OA).html
APA style: OA. (n.d.) Acronym Finder. (2012). Retrieved June 1 2012 from http://www.acronymfinder.com/On-Air-(TV%2c-radio)-(OA).html

On Air (TV, radio)

This definition appears very rarely and is found in the following Acronym Finder categories:

Other Resources:

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Samples in periodicals archive:

The distinguished guest also called on Air Chief Marshal Rao Qamar Suleman, Chief of the Air Staff, Pakistan Air Force, in his office.

The distinguished guest also called on Air Chief Marshal Rao Qamar Suleman, Chief of the Air Staff, Pakistan Air Force, in his office.

Well, not only homo sapiens, but each and every land creature survives on air.