According to EASA/FAA, the GV is a commun type rating for the G350 / G450 /G500 / G550. Is there some sort of CCQ to get from one type rating to another, for instance from G550 to G650 ? Or is it a full course again? (with a huge cost involved…)
https://www.easa.europa.eu/sites/def..._List_Acft.pdf