Its fascinating to watch planes moving about while waiting at an airport for your own flight to be called. Compared to the people working on them they appear to be huge. Those flashing plane lights which you see in the night sky are those which you can see fitted to the tips of the wings and the top of the tail. They can sometimes go wrong, but unlike your car when it comes to fixing things it can be a long way up, and so they will use an aircraft ladder.
Its a simple matter to notice that all of the various planes are different sizes and shapes. This means that those people working on them will have to be at varying levels to carry out their work. To assist them with this the designers has created platforms and steps which are adjustable, not only that there are also different designs for different tasks.
Take a refuelling platform for example. These will come with their own hoses attached as part of the design. The platform will be positioned underneath the belly of the plane, and then adjusted to the correct height. The integral fuel lines can now be connected to the plane's refuelling point. The fuel tanker can be connected to the other end of the fuel lines, normally positioned at the bottom of the steps.
The construction of the platform is largely from aluminium. This serves two main functions, should anything be dropped there will be no sparks. Also it will be light enough to enable it to be easily moved.
You will often notice a small lead trailing on the ground, this is a bonding lead. This will ensure that everything has the same earth level, and prevent any build up of static electricity. For those who have ever received an electric shock when getting out of a car, that was static electricity. You can now understand why this needs to be eliminated from refuelling operations.
This platform is mounted on a set of hard wearing rubber wheels, which makes it very manoeuvrable. When the platform has been located in the desired position the brakes can be put on. Some versions also have stabilizing legs which can be screwed down into position, this also causes the wheels to be raised up off the ground. This platform is where its meant to be, and also at the right height, the earth strap is preventing any static electricity and the operative has a stable area from which to work.
As it is so versatile, its uses are not confined to just fueling operations. Think back to those lights on the wingtips. Using the raise facility on this platform the operative can get the required height and change the blown bulbs.
This is just one form of aircraft ladder, and you have learnt how much thought has gone into the design of it. The overriding concern has been for safety, but also adaptability and versatility have been taken into account. So hopefully the next time you find yourself waiting at an airport you will be able to watch the ground operations with a little more understanding.
Its a simple matter to notice that all of the various planes are different sizes and shapes. This means that those people working on them will have to be at varying levels to carry out their work. To assist them with this the designers has created platforms and steps which are adjustable, not only that there are also different designs for different tasks.
Take a refuelling platform for example. These will come with their own hoses attached as part of the design. The platform will be positioned underneath the belly of the plane, and then adjusted to the correct height. The integral fuel lines can now be connected to the plane's refuelling point. The fuel tanker can be connected to the other end of the fuel lines, normally positioned at the bottom of the steps.
The construction of the platform is largely from aluminium. This serves two main functions, should anything be dropped there will be no sparks. Also it will be light enough to enable it to be easily moved.
You will often notice a small lead trailing on the ground, this is a bonding lead. This will ensure that everything has the same earth level, and prevent any build up of static electricity. For those who have ever received an electric shock when getting out of a car, that was static electricity. You can now understand why this needs to be eliminated from refuelling operations.
This platform is mounted on a set of hard wearing rubber wheels, which makes it very manoeuvrable. When the platform has been located in the desired position the brakes can be put on. Some versions also have stabilizing legs which can be screwed down into position, this also causes the wheels to be raised up off the ground. This platform is where its meant to be, and also at the right height, the earth strap is preventing any static electricity and the operative has a stable area from which to work.
As it is so versatile, its uses are not confined to just fueling operations. Think back to those lights on the wingtips. Using the raise facility on this platform the operative can get the required height and change the blown bulbs.
This is just one form of aircraft ladder, and you have learnt how much thought has gone into the design of it. The overriding concern has been for safety, but also adaptability and versatility have been taken into account. So hopefully the next time you find yourself waiting at an airport you will be able to watch the ground operations with a little more understanding.
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