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1       Introduction 



Airspaces, High and Low airways, Navaids, Holding and Waypoints 

This topic will cover the use of the high and low airways, waypoints and holds. It will also cover the different airspaces. 

We estimate that this will take 3 minutes to complete.

Navigational Layers

We will now look at the 2nd part of the Navigational layers box. This topic will cover high and low:
 

        Airways

        Waypoints

        Holdings

        Navaids

        Restrictive Airspace

        Controlled Airspace

        Communication areas.

 

You will cover the different layers and how they are presented on the map.




The high and low levels button will enable you to flick between the different levels. This will allow you to see, for example, high level airways instead of low level airways, reducing the amount of detail on the map.  

1.1        Detailed Explanation 

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Currently all the layers are turned off and not visible due to the zoom level we are at. We need to get the layers active, let's start by zooming in to activate the layers.

Interaction 1 Click the  button.

Layers that are inactive due to zoom levels are greyed out.
  

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You can see that five of the layers have been activated in this zoom level, meaning that these layers can be accessed. Zooming in again will activate all the levels. 

Interaction 1 Click the  button.

1.2        Airways

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Now that all the layers are activated let's start looking at them in more detail.  Let's start with turning on airways

Interaction 1 Click the Airways slider.

You will be able to select between either high or low levels. Currently it is on low.
 

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You can see that the low-level airways are visible. We can get more information on these airways by clicking on one of them.

Click on the airway in the circle and we will be able to see some detailed information on it.

Interaction 1 Click the within the circle image.

If you zoom out too far you will loose the airway features. It will be better to click and drag (Pan) your way around the airways.

Low level airways are in a cyan color as shown on the map. High level airways are in white. The two airways cannot be shown at the same time.

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Your chosen airway has will be shown on the right hand side of the screen. In this example we can see only one airway. 

Straight away you can see that this airway ident is T999 and it is from BKY (Navaid) to SIVDA (waypoint) going one way.
Let's look at the airway in more detail.
 

Interaction 1 Click the AWY T999 list item.

 This indicates a oneway forward course to the navaid. 

 This indicates no restriction, both forward and backward course to the navaid.

 This indicates oneway backward course to the navaid.

You will see more details on these, such as course and headings once you have selected the airway.

We can see some detailed information about the airway that you have chosen..

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You can see that the selected airway from the list has been highlighted so it can be identified on the map easily. This is particularly useful should you select a point where you have multiple airways joining up making it difficult to identify the airway.

 

Interaction 1 Click the Close button.

Remember to click on the line, N-Tracking will not generate a list of airways if you click somewhere near the line. 

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You will be able to switch between high and low level whenever you like. Let's have a quick look at the high-level airways. 

Interaction 1 Click the High button.

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Interaction 1 Click the Airways slider.

The high airways are white color and you can select an airway to see some detailed information. This was explained in the previous slides.

1.3        Waypoints

Let's have a look at some high level waypoints.

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Interaction 1 Click the Waypoints slider.

You can see high level waypoints are presented with black triangles. Let's select one to find out more information 

Interaction 2 Click .

You cant have both high and low level layers on at the same time.  

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Interaction 1 Click the WPT list item.

Clicking on the waypoint will let you see some more detailed information. We can already see the name of the waypoint and whether it is a compulsory or non-compulsory waypoint.

 A traingle waypoint with a hole is a Non-Compulsory waypoint.

 A triangle filled in is a Compulsory waypoint. This is not depicted on this map section.

You can now see the detailed information regarding this waypoint. Let's have a look at how waypoints are presented in the low level.

Interaction 1 Please click Next to continue.

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Interaction 1 Click the Low button.

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Low level waypoints will be presented in a different color, these are shown as a cyan color, where as high level waypoints are shown as black. The waypoint can still be shown compulsory or non-compulsory.

Interaction 1 Click .

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Interaction 1 Click the Close button.

You may notice that the waypoint has changed to a black color when it has been selected from the list, this is also the color for high-level waypoints. This is just the waypoint highlighted, do not confuse this with it being a high-level waypoint.

1.4        Holding and Navaids

Let's stay on low-level for the time being and have a look at some of the other layers.

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Interaction 1 Click the Holdings slider.

Interaction 2 Click the Navaids slider.

You can see that you have turned on holding patterns and navigational aids. You will be able to view more detailed information on either the navaid or the holding pattern by clicking on them as previously shown in recent slides. Once selected the holding pattern or the navaid will turn orange highlighting the chosen feature.

 

The navaids will not change color or location when going between high and low, but the holding patterns could well move. 

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Let's now turn these layers off

Interaction 1 Click the Holdings slider.

Interaction 2 Click the Navaids slider.

1.5        Restrictive Airspace

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Interaction 1 Click the Restrictive Airspace input field.

Restrictive airspace is an area of airspace in which local authorities have determined that air traffic must be restricted for safety. It is one of many types of special use airspace (SUA). For this example, we will look at low-level SUA.

Let's take a look at the following SUA.

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Interaction 1 Click the SUA image.

SUAs might be different between high and low-level. Please check to make sure that you have the right level turned on, otherwise you might potential be reading incorrect data. 

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If you had multiple SUAs then they would be listed. In this example will only have the one.

Interaction 1 Click the HUNSDON SUA list item.

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Interaction 1 Click the Close button.

Notice how the SUA has now been highlighted orange when it has been opened.

Opening will display you  important information regarding that particular  SUA.

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Interaction 1 Click the Restrictive Airspace input field.

1.6        Controlled Airspace

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Interaction 1 Click the Controlled Airspace slider.

Turning on the controlled airspace will present you with the boundaries of different types of airspace. You will be able to find out about each airspace by clicking on them.

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Interaction 1 Click within the circle.

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We can see a possible two airspaces to choose from. Selecting either one will highlight the airspace related to it.

Interaction 1 Click the CTL CTA Class C list item.

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You can clearly see the highlighted Class C airspace. Let's have a look at the Class A airspace.

Interaction 1 Click the CTL hyperlink.

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Interaction 1 Click the Close button.

1.7        Communication Areas

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Interaction 1 Click the COM Areas input field.

COM areas are different communication areas where different frequencies might need to be used for the purpose of a flight. Currently it is a work in process and only the boundaries will be visible, you will not be able to receive any information when clicking within a boundary.

Interaction 1 Please click Next to continue.