Back at flight school, we all learned about the “30 ft-Vmcg-rule”. While that might get you through the ATPL exam, it does not provide the necessary understanding of the implications that certification requirements have on the daily operation of aircraft. This article aims to do exactly that: Provide a summary of Vmcg certification aspects and demonstrate how they affect daily operation.

No matter if we look at an aerobatic trainer, a jet fighter or a transport category airliner, they all execute rolling maneuvers on a...