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 IndustriesC5SUJul 4, 20263
Estes IndustriesD12SUDec 13, 202510
Estes IndustriesE12SUDec 13, 20259
Estes IndustriesF15SUDec 12, 20255
AeroTechE28reloadDec 6, 20254
Cesaroni TechnologyG78reloadDec 6, 20251
AeroTechE26SUNov 22, 20251
Estes IndustriesE9SUNov 22, 20251
AeroTechD20SUNov 21, 20251
Estes IndustriesA3SUNov 15, 20252
Cesaroni TechnologyH125reloadNov 15, 20251
Estes IndustriesF156SUNov 15, 20251
Estes IndustriesE16SUNov 8, 20254
Estes IndustriesA10SUNov 8, 20252
AeroTechI180reloadNov 8, 20251
AeroTechM1297reloadNov 8, 20251
Cesaroni TechnologyJ145reloadNov 1, 20251
AeroTechG77SUOct 26, 20251
AeroTechK1103reloadOct 19, 20251
AeroTechG79SUOct 18, 20251
AeroTechH13SUOct 18, 20251
AeroTechJ435SUOct 18, 20251
AeroTechC18SUOct 11, 20251
AeroTechG64SUOct 11, 20251
Quest AerospaceD16SUOct 7, 20251
Top of All Time
ManufacturerMotorTypeLastCount
Estes IndustriesE12SUDec 13, 2025336
Estes IndustriesD12SUDec 13, 2025203
Estes IndustriesE9SUNov 22, 2025194
Estes IndustriesA10SUNov 8, 2025138
Estes IndustriesC6SUSep 23, 202585
Estes IndustriesF15SUDec 12, 202560
Estes IndustriesA3SUNov 15, 202553
Estes IndustriesC11SUMar 7, 202552
Estes IndustriesE16SUNov 8, 202540
Quest AerospaceC12SUDec 21, 202435
Estes IndustriesC5SUJul 4, 202628
Estes IndustriesB6SUMay 10, 202525
Quest AerospaceD16SUOct 7, 202522
Quest AerospaceD20SUAug 17, 202519
AeroTechG40SUAug 25, 202418
Estes IndustriesA8SUJun 16, 202418
AeroTechG79SUOct 18, 202517
AeroTechF44SUMar 31, 202517
AeroTechF32SUSep 23, 202216
Quest AerospaceC18SUAug 31, 202515
Quest AerospaceE26SUSep 18, 202514
AeroTechG77SUOct 26, 202513
AeroTechF50SUMar 23, 202513
AeroTechG80SUNov 2, 202413
AeroTechG76reloadDec 14, 202412

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