Heller Sylvester K aircraft
4 Heller Sylvester K models on the US registry across 4 airframes. Select a model for its registry and accident history.
| Model | Airframes | NTSB records |
|---|---|---|
| ACRO SPORT | 1 | 0 |
| GN-1 AIRCAMPER | 1 | 0 |
| HELLER ACRO-SPORT II | 1 | 0 |
| HUMMEL BIRD | 1 | 0 |