5.2 Training methodology Regarding the training methodology, the DTA complied with the following: . The Competency Based Modular Training (CBMT) model. . The standards and quality of the training is set by the training authority according to the curriculum and per programmes. . Programmes include theoretical and practical tasks as set out in the curriculum in which learners must prove their competence. . The academy produced artisans in the following trades: fitter and turner, tool and jig maker, turner machinist, maintenance electrician, welder, machine tool millwright, aircraft instrument mechanic, aircraft radiotrician and electricians.