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.

What do the F-14, the L-1011 and the C-17 have in common? You guessed it: their flight controls involve direct lift control [1]. More...