In {TAIL ~ the exemplary embodiment}, the TCU 40 is mounted within {HEAD ~ nacelle} 16 
In { TAIL ~ the exemplary embodiment } , the TCU 40 is mounted within { HEAD ~ nacelle } 16
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH