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