| Answer | Crossword Clue |
|---|---|
| SST | Grounded commercial flier |
| SSTS | Grounded commercial fleet |
| SSTS | Grounded commercial fleet (Abbr.) |
| TWA | Grounded flier |
| SST | Grounded flier |
| SST | Grounded fast flier |
| SST | Still-grounded flier |
| SST | Grounded flier, briefly |
| SST | Flier grounded in 2000 |
| TWA | Grounded flier since 2001 |
