What is caused by an increase of stability in a helicopter?

Question

Question PPL(H) - Private Pilot License - Principles of Flight (Helicopter)

QuizVDS · Accepted Answer

An increase of general flight safety

QuizVDS · Answer

An optimization of the maximum helicopter mass

QuizVDS · Answer

An enhance of control under negative load factors

QuizVDS · Answer

A decrease of the required control forces

Id 729 - PPL(H) EN - What is caused by an increase of stability in a helicopter?