Higgins John H/williams John D aircraft
1 Higgins John H/williams John D models on the US registry across 1 airframes. Select a model for its registry and accident history.
| Model | Airframes | NTSB records |
|---|---|---|
| QUESTAIR VENT MDL 20 | 1 | 1 |
1 Higgins John H/williams John D models on the US registry across 1 airframes. Select a model for its registry and accident history.
| Model | Airframes | NTSB records |
|---|---|---|
| QUESTAIR VENT MDL 20 | 1 | 1 |