{TAIL ~ Reference data} of {HEAD ~ one or more runways} located in the scene may be received from one or more reference data sources 140 
{ TAIL ~ Reference data } of { HEAD ~ one or more runways } located in the scene may be received from one or more reference data sources 140
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH