T' J1265ST (J1265) is a 67% J single-use motor from Aerotech.
| Average Thrust: | 1,182.4177 N | 
| Certified By: | Tripoli Rocketry Association | 
| Class: | 67% J | 
| Delays: | 6,8,10,12,14 seconds (variable) | 
| Designation: | J1265ST | 
| Diameter: | 54.0000 mm | 
| Formula: | Super Thunder | 
| Length: | 397.0000 mm | 
| Letter: | J | 
| Manufacturer: | Aerotech | 
| Name: | J1265 | 
| Peak Thrust: | 1,568.4260 N | 
| Status: | In-Production | 
| Thrust Duration: | 0.9020 s | 
| Total Impulse: | 1066.5408 Ns | 
| Total Weight: | 1095.0000 g | 
| Type: | Single-Use | 
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