The D3 is an 84% D single-use motor from Apogee.
| Average Thrust: | 2.8730 N | 
| Certified By: | National Association of Rocketry | 
| Class: | 84% D | 
| Delays: | 3,5,7 seconds | 
| Diameter: | 18.0000 mm | 
| Length: | 77.0000 mm | 
| Letter: | D | 
| Manufacturer: | Apogee | 
| Name: | D3 | 
| Peak Thrust: | 10.4600 N | 
| Status: | Out-Of-Production | 
| Thrust Duration: | 6.3900 s | 
| Total Impulse: | 18.3610 Ns | 
| Total Weight: | 24.9000 g | 
| Type: | Single-Use | 
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