RUAG (4)
| Silhouette | ModeS | Registration | Type | Owner | Country | Year Built |
|---|---|---|---|---|---|---|
 | 4B1E85 | HB-LON | De Havilland Canada DHC-6 Twin Otter 300 | RUAG | Switzerland | 1978 |
| 4B1ECF | HB-LRJ | De Havilland Canada DHC-6 Twin Otter 320 | RUAG | Switzerland | 1969 |
| 4B1ED6 | HB-LRQ | De Havilland Canada DHC-6 Twin Otter 300 | RUAG | Switzerland | 1980 |
| 4B1F8D | HB-LYR | De Havilland Canada DHC-6 Twin Otter 300 | RUAG | Switzerland | 1978 |