Pilot's compartment (7)
I believe the answer is:
cockpit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pilot's compartment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cockpit that I've seen before include "Site of numerous battles or campaigns" , "Compartment for aircraft pilot" , "Racing driver's seat" , "not suitable for a hen party" , "Pilot's cabin" .)