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

Latest Reports

The last 21 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 IndustriesC5SUJul 4, 20262
Quest AerospaceB4SUMar 26, 20263
Quest AerospaceD20SUMar 26, 20262
Quest AerospaceF41SUMar 26, 20262
Estes IndustriesC11SUMar 24, 20261
Estes IndustriesF15SUMar 21, 20265
Estes IndustriesD12SUMar 15, 20265
Estes IndustriesA10SUMar 14, 20262
Estes IndustriesE12SUMar 7, 202610
AeroTechF50SUMar 6, 20261
AeroTechH220reloadFeb 21, 20261
Quest AerospaceB14SUFeb 17, 20261
Estes IndustriesC6SUFeb 15, 20262
AeroTechJ90reloadFeb 14, 20261
AeroTechF42SUFeb 7, 20261
AeroTechH550SUFeb 1, 20261
Cesaroni TechnologyI303reloadJan 31, 20261
AeroTechG80SUJan 17, 20261
Estes IndustriesE16SUJan 16, 20261
AeroTechH250reloadJan 4, 20261
Raketenmodellbau KlimaD9SUDec 31, 20251
Top of All Time
ManufacturerMotorTypeLastCount
Estes IndustriesE12SUMar 7, 2026347
Estes IndustriesD12SUMar 15, 2026208
Estes IndustriesE9SUNov 22, 2025194
Estes IndustriesA10SUMar 14, 2026140
Estes IndustriesC6SUFeb 15, 202687
Estes IndustriesF15SUMar 21, 202665
Estes IndustriesC11SUMar 24, 202653
Estes IndustriesA3SUNov 15, 202553
Estes IndustriesE16SUJan 16, 202641
Quest AerospaceC12SUDec 21, 202435
Estes IndustriesC5SUJul 4, 202628
Estes IndustriesB6SUMay 10, 202525
Quest AerospaceD16SUOct 7, 202522
Quest AerospaceD20SUMar 26, 202621
AeroTechG40SUAug 25, 202418
Estes IndustriesA8SUJun 16, 202418
AeroTechG79SUOct 18, 202517
AeroTechF44SUMar 31, 202517
AeroTechF32SUSep 23, 202216
Quest AerospaceC18SUAug 31, 202515
AeroTechF50SUMar 6, 202614
AeroTechG80SUJan 17, 202614
Quest AerospaceE26SUSep 18, 202514
Quest AerospaceB4SUMar 26, 202613
AeroTechG77SUOct 26, 202513

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