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

Latest Reports

The last 24 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
Estes IndustriesA10SUSep 13, 20253
Estes IndustriesD12SUSep 1, 202513
Estes IndustriesC6SUAug 31, 20257
AeroTechM1780reloadAug 31, 20251
Quest AerospaceC18SUAug 31, 20251
Estes IndustriesE12SUAug 17, 20258
Quest AerospaceD20SUAug 17, 20252
AeroTechF41SUAug 10, 20251
AeroTechF25SUAug 9, 20251
AeroTechK1100reloadAug 9, 20251
AeroTechK1800reloadAug 2, 20251
AeroTechF67SUJul 26, 20251
Quest AerospaceB14SUJul 26, 20251
Piotr Tendera Rocket MotorsD20SUJul 17, 20251
Quest AerospaceD16SUJul 12, 20251
AeroTechI1299reloadJul 5, 20251
Estes IndustriesE16SUJul 5, 20251
Estes IndustriesF15SUJun 28, 20251
Cesaroni TechnologyJ316reloadJun 22, 20251
AeroTechH148reloadJun 21, 20251
AeroTechM1350SUJun 21, 20251
AeroTechJ425SUJun 20, 20251
Cesaroni TechnologyJ430reloadJun 20, 20251
Top of All Time
ManufacturerMotorTypeLastCount
Estes IndustriesE12SUAug 17, 2025327
Estes IndustriesE9SUOct 26, 2024193
Estes IndustriesD12SUSep 1, 2025190
Estes IndustriesA10SUSep 13, 2025136
Estes IndustriesC6SUAug 31, 202584
Estes IndustriesF15SUJun 28, 202555
Estes IndustriesC11SUMar 7, 202552
Estes IndustriesA3SUMar 30, 202551
Estes IndustriesE16SUJul 5, 202536
Quest AerospaceC12SUDec 21, 202435
Estes IndustriesC5SUJul 4, 202626
Estes IndustriesB6SUMay 10, 202525
Quest AerospaceD16SUJul 12, 202521
Quest AerospaceD20SUAug 17, 202519
AeroTechG40SUAug 25, 202418
Estes IndustriesA8SUJun 16, 202418
AeroTechF44SUMar 31, 202517
AeroTechG79SUNov 11, 202416
AeroTechF32SUSep 23, 202216
Quest AerospaceC18SUAug 31, 202515
AeroTechF50SUMar 23, 202513
AeroTechG80SUNov 2, 202413
AeroTechG76reloadDec 14, 202412
AeroTechG77SUMay 15, 202112
AeroTechH250reloadMar 8, 202511

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