Longman Dictionary of Contemporary English
conversion course
noun
EXAMPLES FROM CORPUS
▪ Another group of supervisors from light manufacturing industry are undertaking a conversion course to catering supervisor.
▪ At Seletar he had been flying Vildebeest torpedo bombers, and he now underwent a conversion course on to the more modern Beauforts.
▪ From now on all aircrew went through either a full conversion course or a short refresher course.
▪ I proved my ability in further education and attempted to gain a position on a conversion course.
Usage examples of "conversion course".
He was now into Ihe third week of his Harrier conversion course, and eight months into his return to active duly with the Royal Navy.
In the spring of 1944 he was put back on flying duties and sent for a short conversion course to fly Dakotas.