On Leave
Written by
W. E. Johns
Copyright 1932
14th of 17 stories in . It was republished as The White Feather in The Modern Boy #270, Apr 8, 1933.
HQ uses an odd ploy to force Biggles to take some much deserved leave time. It is while staying with an old family friend that he learns of German seaplanes causing trouble in England so he decides to do something about it.