Revalidation process
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Revalidation process is used to describe the process to maintain a VTS qualification. The process ensures that holders of a VTS qualification maintain a satisfactory level of operational performance in order to retain, develop and increase their competency.
Source: IALA Guideline G1156 Recruitment, training and assessment of VTS Personnel, section 9.1 IALA Model Course V‐103/5 - Revalidation Process for VTS Qualification and Certification
