{TAIL ~ the aircraft display unit} is comprised of a head up display unit configured to display {HEAD ~ the image} represented in the synthetic image data 
{ TAIL ~ the aircraft display unit } is comprised of a head up display unit configured to display { HEAD ~ the image } represented in the synthetic image data
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH