BIPLANE
| Date | Clue |
|---|---|
| 2004-01-16 | Red Baron's transport |
| 2001-02-05 | Many a crop- duster |
| 2000-04-23 | Wright brothers' craft, e.g. |
| 2000-02-25 | Many a crop-duster |
| Date | Clue |
|---|---|
| 2004-01-16 | Red Baron's transport |
| 2001-02-05 | Many a crop- duster |
| 2000-04-23 | Wright brothers' craft, e.g. |
| 2000-02-25 | Many a crop-duster |