Flight testing for longitudinal stability problems continues this month as columnist Barnaby Wainfan details tests for stick force as related to trim and stick-free stability of an aircraft. The object is to gather data and analyze it to see if the hypotheses about the nature of the problem hold up under scrutiny.
To fly or not to fly? Often it depends on the weather, which can be uncertain. That’s why it’s good to have IFR clearance, and crucial to have a backup plan.