More particularly, the present invention relates to an integrated power unit which combines {TAIL ~ the functions} of an auxiliary power unit and of an emergency power unit into {HEAD ~ a single unit} 
More particularly , the present invention relates to an integrated power unit which combines { TAIL ~ the functions } of an auxiliary power unit and of an emergency power unit into { HEAD ~ a single unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD