NTSB Rar-94-01 - Figure 2
National Transportation Safety Board (NTSB)
<a class="external free" href="https://en.wikisource.org/wiki/Page:NTSB_Rar-94-01.pdf/9">https://en.wikisource.org/wiki/Page:NTSB_Rar-94-01.pdf/9</a>