J-9982
Written by
W. E. Johns
Copyright 1932
3rd of 17 stories in . It was first published in Popular Flying Machine, June 1932. It was reprinted as Fighting Mad in The Modern Boy #259, Jan. 21, 1933.
The title refers to the number on a captured Sopwith Camel that a German pilot is using to attack British pilots. Biggles must take it down.