Navigation data and runway data may be provided to an image generating processor which, in turn, generates an image data set representative of at least one visual aid corresponding to one runway located in {HEAD ~ the scene} outside {TAIL ~ the aircraft} 
outside
Navigation data and runway data may be provided to an image generating processor which , in turn , generates an image data set representative of at least one visual aid corresponding to one runway located in { HEAD ~ the scene } outside { TAIL ~ the aircraft }
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