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

Latest Reports

The last 22 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, 20263
Piotr Tendera Rocket MotorsD20SUJul 17, 20251
Estes IndustriesD12SUJul 13, 20258
Estes IndustriesE12SUJul 12, 20258
Quest AerospaceD16SUJul 12, 20251
Estes IndustriesE16SUJul 5, 20253
AeroTechI1299reloadJul 5, 20251
Estes IndustriesC6SUJun 29, 20252
Estes IndustriesF15SUJun 28, 20253
Cesaroni TechnologyJ316reloadJun 22, 20251
AeroTechH148reloadJun 21, 20251
AeroTechM1350SUJun 21, 20251
AeroTechJ425SUJun 20, 20251
Cesaroni TechnologyJ430reloadJun 20, 20251
AeroTechO5500SUJun 11, 20251
AeroTechH13SUMay 31, 20251
Estes IndustriesD22SUMay 17, 20251
Cesaroni TechnologyK490reloadMay 16, 20251
Raketenmodellbau KlimaC6SUMay 14, 20251
Raketenmodellbau KlimaD9SUMay 14, 20251
Estes IndustriesB6SUMay 10, 20251
AeroTechC18SUMay 4, 20251
Top of All Time
ManufacturerMotorTypeLastCount
Estes IndustriesE12SUJul 12, 2025324
Estes IndustriesE9SUOct 26, 2024193
Estes IndustriesD12SUJul 13, 2025182
Estes IndustriesA10SUJan 17, 2025133
Estes IndustriesC6SUJun 29, 202579
Estes IndustriesF15SUJun 28, 202555
Estes IndustriesC11SUMar 7, 202552
Estes IndustriesA3SUMar 30, 202551
Estes IndustriesE16SUJul 5, 202536
Quest AerospaceC12SUDec 21, 202435
Estes IndustriesC5SUJul 4, 202625
Estes IndustriesB6SUMay 10, 202525
Quest AerospaceD16SUJul 12, 202521
AeroTechG40SUAug 25, 202418
Estes IndustriesA8SUJun 16, 202418
AeroTechF44SUMar 31, 202517
Quest AerospaceD20SUMar 8, 202517
AeroTechG79SUNov 11, 202416
AeroTechF32SUSep 23, 202216
Quest AerospaceC18SUMar 23, 202514
AeroTechF50SUMar 23, 202513
AeroTechG80SUNov 2, 202413
AeroTechG76reloadDec 14, 202412
AeroTechG77SUMay 15, 202112
AeroTechH250reloadMar 8, 202511

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