First Limit Indicators (FLI) or Power Situation Indicators (PSI) are displays in glass-cockpit helicopters which bring together all the engine power parameters into one simple display. These displays can dramatically lower the workload of a pilot, giving a single visual indication of the power state of the aircraft relative to its limits. FLI and PSI…
Introduction Some helicopters fly beautifully without any flight control automation or stabilisation systems. The Gazelle was one such aircraft and a reasonably competent pilot could achieve amazing accuracy in IMC with just basic instruments. However, in this modern age, automation has become the norm and in many operations, being coupled up to an autopilot is…