What is the consequence of exceeding the Maximum Takeoff Weight (MTOW)?

Exceeding the Maximum Takeoff Weight (MTOW) can lead to several serious consequences, making reduced maneuverability and potential structural failure a critical issue. When a helicopter operates above its MTOW, it may not be able to respond as effectively to control inputs, thereby compromising its maneuverability. This reduced handling capability can create difficulties during flight maneuvers, especially in emergency situations where precise control is essential.

Additionally, the structure of the helicopter is designed to withstand certain loads. Exceeding these limits can stress components beyond their design capacity, increasing the risk of structural failure. Essential parts like the airframe, rotor systems, and landing gear could suffer from excessive forces, leading to potentially catastrophic failures during flight.

In contrast, other consequences of exceeding MTOW, such as decreased fuel efficiency or increased landing speed, are secondary effects; while they may occur, they do not pose the immediate and severe risks that reduced maneuverability and structural failure do. Improved flight performance is untenable under such circumstances, as exceeding MTOW generally hinders a helicopter's operational capabilities rather than enhancing them.