Models
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| SPROUL 48K-16 | Balloon | 1 | 1 | 2002-2002 |
| SPROUL 73K-24 | Balloon | 1 | 1 | 2004-2004 |
| 72K-TET | Balloon | 1 | 1 | 2004-2004 |
| SPROUL 46K-TET | Balloon | 1 | 1 | ?-? |
| 77K-16 | Balloon | 1 | 1 | ?-? |
| 83K-16 | Balloon | 1 | 1 | 2019-2019 |
6 models and 6 aircraft registered with the FAA under the manufacturer name SPROUL KEITH A.
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| SPROUL 48K-16 | Balloon | 1 | 1 | 2002-2002 |
| SPROUL 73K-24 | Balloon | 1 | 1 | 2004-2004 |
| 72K-TET | Balloon | 1 | 1 | 2004-2004 |
| SPROUL 46K-TET | Balloon | 1 | 1 | ?-? |
| 77K-16 | Balloon | 1 | 1 | ?-? |
| 83K-16 | Balloon | 1 | 1 | 2019-2019 |