The 548I242-15A (I242) is a 72% I 38mm 4-grain reloadable composite motor from Cesaroni Technology Incorporated (CTI).
This motor uses an E-Match igniter.
This reload fits a Pro38-4G motor case.
CTI's White propellant produces a white flame and little smoke.
| Average Thrust: | 229.0810 N | 
| Casing: | Pro38-4G | 
| Certified By: | Canadian Association of Rocketry | 
| Class: | 72% I | 
| Delays: | 6,8,9,11,13 seconds (variable) | 
| Designation: | 548I242-15A | 
| Diameter: | 38.0000 mm | 
| Formula: | White | 
| Igniter: | E-Match | 
| Length: | 303.0000 mm | 
| Letter: | I | 
| Manufacturer: | CTI | 
| Name: | I242 | 
| Peak Thrust: | 286.1480 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 2.4000 s | 
| Total Impulse: | 550.2530 Ns | 
| Total Weight: | 549.9000 g | 
| Type: | Reloadable | 
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