What does OAT stand for?

Atikokan Public Library, Ontario - Library symbol - National Library of Canada (NLC)

Oat Canoe Co., Mount Vernon, ME - Manufacturer code for watercraft hull identification number (USCG)

Ocean Acoustic Tomography

Office Automation Tools (TIMI)

Office for Advanced Technology - Air Force

Office for the Advancement of Telehealth (SAUS)

Office of Advanced Technology (SAUS)

On-Air Test - Telecommunications (DOAD)

One at a Time

Open-Air Theater

Operating Acceptance Test (SAUS)

Operating Ambient Temperature

Operational Acceptance Test

Operational Air Traffic (NATG)

Operational Algorithm Team - Supports algorithm development (SSEC)

Optical Adaptive Technique

Optional Application Tapes (SAUS)

Options Analysis Team (USDE)

Optometry Admissions Test

Organic Acid Technology - Automotive cooling systems

Ornithineaminotransferase - An enzyme

Ornithine keto-acid Aminotransferase (SAUS)

Outer Atmospheric Temperature (IAA)

Outside Air Temperature - Aviation

Overall Test

Overseas Airways Transmission (SAUS)

Oxide-Aligned Transistor - Electronics (PDAA)

Oxoacid Aminotransferase Inhibition (DB)

Quaker Oats Co. - NYSE symbol - Toronto Stock Exchange symbol (SPSG)

Sogervair/Transoceanic Aviation - France - ICAO designator (FAAC)