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The Properties Of An Effective Slope Indicator

By Betty Williams


A slope pointer also known as a visual glide gradient indicator is a device that is situated at the airport and other flight grounds. This device uses a lamp emitting mechanism to direct the pilot on the landing procedure at the airport. The illumination serves its purpose by defining an approach route before touchdown. By so doing, this device helps the pilot to align properly with the runway. The properties of an effective slope indicator are quite many.

Due to the vast nature of information that must be shared, several kinds of pointers have to be deployed to ensure that each and every piece of data is sent and received in time and also prevent confusion. In this sense therefore, a good number of illumination mechanisms were developed and placed strategically at the airport. This allows the control panel to effectively play their role of plane management.

When the plane has approached the airport and is seeking to make a landing, the glide angle is very crucial. This is not information that can be gotten from the system controls. The pilot simply has to focus on the visual approach indicator. This illumination system is positioned in line at the sides of the runway. The projected illumination varies between white and red basing on the glide angle of approach.

The precision approach path indicator is also another category of runway management lighting. This device is made up of up to four separate lighting systems. These lamps are aligned perpendicularly to the path of approach. Normal procedure stipulates that they should be situated at the left side of runway. Their purpose is to determine proximity of glide slope of plane. It uses a combination of white and red illuminating to direct the pilot accordingly.

Small and other special kinds of flight modules usually have no ascension or descending angle determination mechanisms. This makes it hard for the pilot to effectively align them with the pathway while seeking a safe landing. For this reason, heliports, air-parks and 139 airports are equipped with a special box known as Pulsate visual approach gradient indicator.

The tri-colored VASI is a technology that has fallen out of use in recent times. It was designed to indicate either red or green depending on the ascending or descending properties of plane. A mixture of these colors however provides an amber result that most pilots misinterpreted as a sign of wrong inclination. This made them to react un-accordingly. Due to incidences, the system was put to halt.

Aircraft carriers are very important mechanisms at the landing site as well. Without proper communication however, they can cause catastrophic accidents. This is why a beam of illumination was designed to send information to the controllers through signals. This technology is technically known as the stabilized glide gradient indicator.

The t-visual indicators have the highest number and are designed to have a varying visual effect on the pilot in accordance with their point of runway approach. These lamps are placed at the sides of pathway in a crosswise format. When at the right approach to the runway, the point will see a T-formation on the ground.




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