what is oat testing
(Redirected from Operational Acceptance Testing). Operational testing a jet engine. Operational Acceptance Testing (OAT) is used to conduct operational readiness (pre-release) of a product, service or system as part of a quality management system.OAT is a common type of non-functional software testing, used mainly in software development and software maintenance projects.This type of testing focuses on the operational readiness of the system to be supported, and/or to become part of the production environment.Redirected from Operational Acceptance Testing). Operational testing a jet engine. Operational Acceptance Testing (OAT) is used to conduct operational readiness (pre-release) of a product, service or system as part of a quality management system.