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This final report, dated September 10, 1996, was prepared by the Research Triangle Institute for the Department of the Air Force's 45th and 30th Space Wing safety offices. Titled Modeling Unlikely Space-Booster Failures in Risk Calculations, it shows how rare Mode-5 failures, in which a rocket veers well off its intended flight line, are modeled in the DAMP risk-analysis program. An appendix lists Atlas, Delta, Titan and Thor launch and failure histories through August 1996.
From the source:Release of 2026-05-08 Incident: 9/10/96, N/A. This report describes the Modeling of Unlikely Space-Booster Failures in Risk Calculations, documenting historical launch failure modes and recommending corrective actions to address them using novel modelling techniques.
“Titan II”13 pages
The simulated impact percentages plotted in Figure 25 are identical with those shown
in Figure 24. The theoretical percentages in Figure 25 were obtained by trying various
combinations of B and A until the best possible fit was obtained in the sectors from ±60°
to ±180°. From these plots it seems apparent that a reasonable fit between malfunction-
turn and theoretical Mode-5 impact data can be found for any qa. between 5,000 and
20,000 deg-lb/ft2. •
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Angle From Flight Path {deg)
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Figure 25. Delta-GEM Simulation Results with Best-Fit Shaping Constants
9/10/96 63 RTI Not linked to a story yet.
Report, from the pursue collection. The PDF is mirrored here; the original link is above. 181 pages are in the text index: search them above, or from the library's search.