Ground proximity warning system

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Ground proximity warning system (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. Another common name for such a system is ground-collision warning system (GCWS).

Add to an aircraft

Add this code to your -set.xml file (above the </sim> tag), to make the GPWS operatable, set instrumentation/mk-viii/servicable to true.

<instrumentation>
 <mk-viii>
  <name>mk-viii</name>
  <number>0</number>
 </mk-viii>
</instrumentation>

The MkVIII depends on many other systems, which must also be configured correctly, or it will behaved unexpectedly.

Mode 6 (bank angle and altitude above field callouts) depends on a serviceable attitude reference, and ideally a valid decision height. /instrumentation/attitude-indicator/indicated-roll-deg is the key attitude property, which comes from the master reference gyro.