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The Characteristics Of A Good Slope Indicator

By Betty Williams


There are very many means of transport and communication. Air transportation however is the most effective among them. Operating an airplane and airport is not an easy venture. Effective communication is very important. The air space control chamber usually directs the pilot verbally through systems in plane. The use of light indication is very paramount in this process as well. The characteristics of a good slope indicator are quite numerous.

This device is also very paramount in determination of benchmark height for a proper landing procedure. Being human, at times the controller of plane aligns it a bit too high or low for a safe landing. There are numerous kinds of such devices depending on the kind of plane and airport set up as well. The situation of these devices is just as important as any other safety measure undertaken to ensure passenger safety.

The visual approach indicator is one of its kind. It is positioned at the banks of runway. It serves as a system of illumination that illuminates either white or red. The color that one perceives will depend on their point of view. Provision of approach guidance information is the sole purpose of this device. These lamps are designed to be visible from a long range of distance of up to thirty two kilometers during the night.

Placed at a perpendicular reproach to the pathway also, are the precision approach path pointers. These are usually directly above the road and offer the pilot an opportunity to know how far or near they are from the point of touchdown. In addition to that, the angle of inclination to this path can also be determined using these special lamps. They are made four in number for accuracy purposes.

An airport has to be equipped with a pulsating visual approach slope device too. Unlike the others, this one comprises of a single box structure. It is mainly located at air-parks, heliports and 139 airports as well. The significance of this mechanism is to show descent. The lighting is either solid white for effective descent profile or red for an improper profile.

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.

Timely carrier services are very paramount at the airport. Any delays in this system can lead to great frustrations. Care should be taken however as for the carriers not be found out of place during landing. The direction of these carrier controls is done by stabilized glide slope pointers. They are modeled to create a strong beam of illumination that informs the control system on timing aspects.

Another system of lighting installed at the runway to convey vital information to the professional flying the plane is the T-visual approach slope indication mechanism. It is a massive system of about twenty white lights. These lights are strategically arranged along the pathway in a crosswise manner. This arrangement is specially designed to vary from angle of approach.




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