Various components within {TAIL ~ system} 2200 are connected using airway connections and {HEAD ~ electronic/electrical connections}  
Various components within { TAIL ~ system } 2200 are connected using airway connections and { HEAD ~ electronic / electrical connections }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH