Army helicopter (6)
I believe the answer is:
apache
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">army helicopter</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for apache that I've seen before include "Geronimo was one" , "N American Indian tribe or old Paris ruffian" , "North American Indian tribe - Paris ruffian" , "A peach of an Indian tribe?" , "American Indian - French gangster" .)