Malfunctioning Engine Statistical Survey
M.E.S.S.

Latest Reports

The last 25 motors with failure reports and the top 25 reported motors of all time. For more detailed search, see the search page.

Most Recent
ManufacturerMotorTypeLastCount
Estes IndustriesE12SUSep 28, 20268
AeroTechF67SUSep 19, 20263
AeroTechG53reloadSep 19, 20261
Estes IndustriesB4SUSep 19, 20261
Estes IndustriesC11SUSep 12, 20265
Estes IndustriesF15SUSep 12, 20265
Estes IndustriesC6SUSep 12, 20262
Estes IndustriesA8SUSep 12, 20261
Loki ResearchI405reloadSep 12, 20261
AeroTechC18SUSep 11, 20263
Quest AerospaceC18SUSep 11, 20261
Piotr Tendera Rocket MotorsE20SUSep 9, 20261
Estes IndustriesA10SUSep 6, 20264
Quest AerospaceC12SUSep 6, 20262
AeroTechC12SUSep 6, 20261
AeroTechG80SUSep 5, 20262
AeroTechI1299reloadSep 5, 20262
AeroTechK1100reloadSep 5, 20261
AeroTechJ1299reloadSep 4, 20261
AeroTechJ615reloadSep 4, 20261
Cesaroni TechnologyG88SUSep 4, 20261
Estes IndustriesA3SUAug 30, 20264
Estes IndustriesD12SUAug 29, 20266
Estes IndustriesE16SUAug 29, 20263
AeroTechI357reloadAug 29, 20261
Top of All Time
ManufacturerMotorTypeLastCount
Estes IndustriesE12SUSep 28, 2026382
Estes IndustriesD12SUAug 29, 2026225
Estes IndustriesE9SUNov 22, 2025194
Estes IndustriesA10SUSep 6, 2026151
Estes IndustriesC6SUSep 12, 202692
Estes IndustriesF15SUSep 12, 202679
Estes IndustriesC11SUSep 12, 202663
Estes IndustriesA3SUAug 30, 202660
Estes IndustriesE16SUAug 29, 202647
Estes IndustriesC5SUAug 22, 202644
Quest AerospaceC12SUSep 6, 202640
Estes IndustriesB6SUMay 10, 202525
Quest AerospaceD16SUAug 23, 202624
Quest AerospaceD20SUApr 30, 202622
Quest AerospaceE26SUAug 1, 202620
Estes IndustriesA8SUSep 12, 202619
AeroTechF44SUAug 1, 202618
AeroTechG40SUAug 25, 202418
AeroTechG80SUSep 5, 202617
AeroTechG79SUOct 18, 202517
Quest AerospaceC18SUSep 11, 202616
AeroTechF32SUSep 23, 202216
AeroTechF50SUMay 9, 202615
AeroTechF67SUSep 19, 202613
Quest AerospaceB4SUMar 26, 202613

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