Models
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| CHALLENGER II SPEC | Fixed wing single engine | 1 | 1 | 1991-1991 |
1 models and 1 aircraft registered with the FAA under the manufacturer name BLUMER JAMES ALLEN.
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| CHALLENGER II SPEC | Fixed wing single engine | 1 | 1 | 1991-1991 |