Go by plane (3)
I believe the answer is:
fly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">go by plane</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for fly that I've seen before include "Two-winged insect" , "Move through air" , "Move quickly; knowing" , "Soar; hurry" , "Glide" .)