Answer: prang

AnswerCrossword Clue
PRANGCrash: aviator's slang.
PRANGBump into: Brit. slang.
PRANGCrash in Britain
PRANGCrash, to the R.A.F.
PRANGBomb heavily, in R.A.F. argot
prangto destroy or shoot down (an enemy aircraft)
prangto cause to crash
prangto collide with; bump into
prangto destroy or severely damage by a bombing raid; bomb (an enemy target)