Avoiding forbidden airspace is often just as important as navigating in general. It can however be much trickier than finding the right valley since the airspace structure is very abstract and often complicated. Oudie 3 will be your best friend if you use the whole potential of what it's got to offer.


1. Airspace Warning


The first stage - let's name it the Airspace Warning - is  often merely informative. The screen will display an orange banner at the top of the page and highlight the airspaces you are about to encounter. It will also display a line with distances from your position to the nearest position of each airspace you are about to encounter. And it will beep briefly. 


You get to choose to turn the airspace warning off for  the airspace which is listed in the banner. You can turn it off for either: 

  • Today - until next takeoff
  • 5 minutes - note that this number is user selectable through Menu > Settings > Warnings
  • Ignore - for as long as you are flying towards it it won't beep again.

                                     


2. Airspace alarm


Once you come too close for comfort an airspace alarm  will sound. It gives you a red banner at the top where you can read all about the airspace in question and it will highlight the airspace in question. It will also draw the line to the closest point of the airspace and it will give you a sound alarm continuously. You still get to choose to turn this alarm off for:

  • Today - until next takeoff
  • 5 minutes - user selectable in Menu > Settings > Warnings
  • Mute - continue to display everything but stop the sound alarm.


After you have pressed Mute you can still Ignore this airspace alarm.

   

                                     


3. Helpful Navboxes


There are three airspace related navboxes which will give you a good overview of the airspace situation  if you are familiar with what they are displaying: 


1. "Nearest airspace - Horizontally" gives you the distance from your position to the nearest position of an  airspace where you are not horizontally inside (i.e. you are not below this airspace yet). 


2. "Horizontally nearest airspace - Altitude" gives you the altitude difference towards the horizontally  nearest airspace. The altitude difference is negative if you are below horizontally nearest airspace. It is positive if you are above and "Inside" if you are about to hit the lateral borders of the airspace in question. 


3. "Nearest airspace - Vertically" gives you the altitude difference towards the airspace above or below  the glider. The value is negative if you are below the airspace. It is positive if you are above, "Inside" if you are already inside an airspace and "N/A" if there is no airspace at your location. 


In addition to the airspaces there is also a very useful Action which can be assigned to any Navbox. It is  the action "Highlight nearest airspace" and it is assigned to the "Nearest airspace - Horizontally" by default. If you touch a Navbox which has this action assigned to it, Oudie 3 will highlight the airspace in question. It will link the glider with the airspace and display the distance from the glider to the airspace.


4. Screen taps


In addition to all the above you may tap anywhere on the screen and then choose "Airspace" to quickly access the list of airspaces at the location of the tap. With this list you can quickly change the visibility of the airspaces or simply get an overview of what lies ahead. You can also change the properties of an airspace such as lower or upper limit. With this information airspace navigation should be easy and understandable even in a rather complex airspace environment.