Keller Frederick H aircraft
2 Keller Frederick H models on the US registry across 2 airframes. Select a model for its registry and accident history.
| Model | Airframes | NTSB records |
|---|---|---|
| DEFIANT (KELLER) | 1 | 0 |
| FK 1 STOL | 1 | 1 |
2 Keller Frederick H models on the US registry across 2 airframes. Select a model for its registry and accident history.
| Model | Airframes | NTSB records |
|---|---|---|
| DEFIANT (KELLER) | 1 | 0 |
| FK 1 STOL | 1 | 1 |