I have heard about p-51's cutting power lines on purpose, but don't buy the story.
I do know of some crashes where aircraft hits powerline, and it normally means that the aircraft crashes and the powerline stays.
Oh, and bad me....I have flown under powerlines, - MANY TIMES
![devil :devil](http://bbs.hitechcreations.com/smf/Smileys/default/devil.gif)