| Answer | Crossword Clue |
|---|---|
| SST | Former fast plane: Abbr. |
| SST | Fast plane: Abbr. |
| SST | Retired fast plane (abbr.) |
| SST | Retired fast plane: Abbr. |
| SST | Old fast plane: Abbr. |
| SST | Former transatlantic plane: Abbr. |
| SST | Former fast flier: Abbr. |
| SSTS | Former fast planes: Abbr. |
| SSTS | Former fast fliers: Abbr. |
| SSTS | Former fast jets: Abbr. |
| SSTS | Fast former fliers: Abbr. |
| OWNS | Former fast fliers: Abbr. |
| SSTS | Former fast-flying planes: Abbr. |
