SIFT Army Aviation Information Practice Test

What influences the G load of a helicopter?

1. weight of helicopter

2. weather

3. air density

4. all of the above

The correct answer is: all of the above

The G load, or load factor, experienced by a helicopter is influenced by several factors that can include the weight of the helicopter, weather conditions, and air density. Each of these factors plays a critical role in determining how the helicopter performs during various maneuvers. The weight of the helicopter directly affects how it responds to lift and thrust. During flight, particularly in maneuvers that involve changes in altitude or direction, the helicopter's weight contributes to the overall balance and stability, thereby impacting the G load. A heavier helicopter will experience different loading characteristics than a lighter one under the same flight conditions. Weather also has a significant impact on G load. Changes in wind speed and direction, turbulence, and other atmospheric conditions can affect how the helicopter interacts with the air, potentially increasing or decreasing the G forces experienced during flight maneuvers. Air density plays a crucial role as well. Higher air density can enhance lift and thrust, allowing for more aggressive maneuvers without as much strain on the structure of the helicopter, which can influence the G load. Conversely, in lower air density, like high altitudes, the helicopter may need to exert more effort to maintain control and lift, which can also modify the experienced G load. In summary, since weight