NTSB images showing approximate impact point of the Piper on the DC9
<a href="//commons.wikimedia.org/wiki/User:WhisperToMe" title="User:WhisperToMe">WhisperToMe</a>
The NTSB - <a rel="nofollow" class="external free" href="http://www.airdisaster.com/reports/ntsb/AAR87-07.pdf">http://www.airdisaster.com/reports/ntsb/AAR87-07.pdf</a>