Continental Airlines flight 426 crashed on August 7, 1975, during takeoff from Stapleton International Airport. This figure was included in the final report issued by the NTSB.
NTSB
1975-08-07
<a rel="nofollow" class="external free" href="https://reports.aviation-safety.net/1975/19750807-0_B722_N88777.pdf">https://reports.aviation-safety.net/1975/19750807-0_B722_N88777.pdf</a>