| Answer | Crossword Clue |
|---|---|
| SOPWITH | ... Camel, W.W. I plane |
| SPAD | W.W. I plane. |
| SPAD | W. W. I plane |
| SPAD | W.W. I plane |
| SPAD | W. W. I French plane. |
| SPAD | W.W. I fighter plane |
| SPAD | Plane of W.W. I |
| SPAD | W.W. I pursuit plane |
| SPAD | W.W. I Allied plane |
| SPAD | W.W. I French plane |
| SPAD | W.W. I French fighter plane |
| SPAD | W.W. I French two-seater plane |
