What is the definition of moderate turbulence?

What is the definition of moderate turbulence?

• A. Occupants remain relaxed in their seats
• B. Definite strain against seatbelt, unsecured objects move
• C. Severe strain and danger of structural damage
• D. Aircraft is airborne without turbulence

Answer: (B)

Moderate turbulence is characterized by a clear, noticeable impact on both the aircraft and its occupants. In this scenario, occupants will experience a definite strain against their seatbelts due to the movement of the aircraft caused by the turbulent conditions. Additionally, unsecured objects may shift or move about the cabin, indicating a stronger level of turbulence that requires passengers to be cautious and remain seated with their seatbelts fastened. This definition captures the essence of moderate turbulence, which is more severe than light turbulence but does not reach the level of severe turbulence, where more critical structural damage might occur or the safety of the aircraft could be compromised.

Moderate turbulence is characterized by a clear, noticeable impact on both the aircraft and its occupants. In this scenario, occupants will experience a definite strain against their seatbelts due to the movement of the aircraft caused by the turbulent conditions. Additionally, unsecured objects may shift or move about the cabin, indicating a stronger level of turbulence that requires passengers to be cautious and remain seated with their seatbelts fastened. This definition captures the essence of moderate turbulence, which is more severe than light turbulence but does not reach the level of severe turbulence, where more critical structural damage might occur or the safety of the aircraft could be compromised.