I wrote a little Excel table to calc drop speeds if the plane went ballistic, using the power line as the point of first impact. I'll put the graphics in my next version.
If the plane stalled and essentially went ballistic just as it hit the power lines, it would barely clear the embankment after losing some wing, but wouldn't make it to the first recorded impact in the swamp. If it stalled at 75' it would impact the embankment directly. If it stalled at 150 feet or higher it wouldn't even make it to the embankment.