Both Performance Decreasing Shear and Performance Increasing Shear may be?

Both Performance Decreasing Shear and Performance Increasing Shear are conditions related to the aerodynamic characteristics of an aircraft and can significantly impact its performance. Performance Decreasing Shear typically refers to situations where the airflow over the wings becomes disrupted, leading to a reduction in lift and potential loss of control. On the other hand, Performance Increasing Shear might be associated with an unexpected increase in lift due to changing airflow conditions, which can also destabilize the aircraft.

These shear conditions can create sudden and unpredictable changes in the aircraft's flight dynamics, posing risks such as loss of control or unexpected altitude changes. This makes them potentially hazardous to flight operations, especially in critical phases of flight such as takeoff, landing, or maneuvering through turbulent air. Therefore, recognizing that both types of shear can lead to hazardous conditions is vital for the safety of flight operations.