| Answer | Crossword Clue |
|---|---|
| SSTS | Former fast planes: Abbr. |
| SSTS | Former fast-flying planes: Abbr. |
| SSTS | Former fast planes |
| SSTS | Fast planes: Abbr. |
| SSTS | Grounded fast planes: Abbr. |
| SSTS | Retired fast planes: Abbr. |
| SSTS | Very fast planes: Abbr. |
| SST | Former fast plane: Abbr. |
| SST | Former fast flier: Abbr. |
| OWNS | Former fast fliers: Abbr. |
| SSTS | Former fast jets: Abbr. |
| SSTS | Fast former fliers: Abbr. |
| SSTS | Former fast fliers: Abbr. |
