Models
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| PITTS SPECIAL S-1 | Fixed wing single engine | 1 | 1 | 1981-1981 |
1 models and 1 aircraft registered with the FAA under the manufacturer name SIWIK RONALD A.
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| PITTS SPECIAL S-1 | Fixed wing single engine | 1 | 1 | 1981-1981 |