Aircraft Balancing Techniques and Their Impact
In the world of aviation, the weight and balance of an aircraft are crucial factors that significantly impact its safety and performance. Here's a closer look at why these aspects are so important and what can happen when they are not managed correctly.
Firstly, flying with a delayed centre of gravity (C.G.) can lead to stall situations without warning, especially in turbulent weather conditions. In such circumstances, stall becomes much more difficult to steer and redirect. Moreover, in the event of a spin-off, recovery is greatly complicated.
Going over the Maximum Take-Off Weight (MTOW) increases the need for acceleration at take-off, runway consumption, and decreases the aircraft's maneuverability and control. An advanced C.G. keeps a low angle of attack, but increases wing loading and induced resistance, which translates into less range and higher fuel consumption.
The manufacturer provides an imaginary line called "datum" to help determine the position of the C.G. The placement of the load far from the "datum" generates a "moment" that determines the maximum weight that can be loaded at each point of the plane, with lower limits the farther away from the datum. It is always advisable to remain as close to a neutral C.G. as possible, but a forward C.G. is preferable to one at the back of the plane.
Securing the load properly is important, especially during take-off and landing, to prevent dangerous changes in the aircraft's center of gravity. Incorrect loading leads to catastrophic failure, as the aircraft may not withstand aerodynamic or structural loads encountered during flight maneuvers or turbulent conditions.
Airlines weigh luggage to ensure the correct loading of the aircraft. The braking capacity of the aircraft will also be considerably reduced if it exceeds its maximum load. The landing with excess of load requires a greater speed of approach and a longer race, increasing the risk if an engine fails.
In moderate or severe turbulence, the structural strength of the aircraft is seriously compromised. In such situations, the aircraft's response decreases, and its carrying capacity is reduced, increasing the risk of having a scare.
Keeping within the enclosure marked by the manufacturer in the centering table is essential to avoid risks during flight. Operating beyond the established maximum weight or outside the approved center of gravity (C.G.) limits compromises the aircraft's safety envelope.
In conclusion, risks of exceeding maximum load and improper centering include structural damage or failure, loss of control, degraded flight safety margins, and increased likelihood of accidents. Ensuring correct and approved weight and balance is critical for safe aircraft operation.
A misalignment in the center of gravity (C.G.) within the transportation sector, such as in aviation, can instigate dangerous stall situations, particularly during turbulent weather, making recovery extremely challenging and potentially leading to catastrophic failure. Exceeding the Maximum Take-Off Weight (MTOW) within the finance and industry sector, specifically in aviation, will increase the demand for runway consumption, decrease the aircraft's maneuverability and control, and escalate fuel consumption, thus reducing the aircraft's capacity and range.