| Clue | Source | Date |
|---|---|---|
| Describing plane with a thin rear light arrangement (7-4-3) | ||
| Capable of floating, as a balloon | New York Times | 21 Jun 2021 |
| Upwardly mobile? | Universal | 26 Jun 2020 |
| Alright in earth, possibly, but able to get above it? | The Times Cryptic | 17 Oct 2016 |
| Like a helium balloon | ||
| Weightless | ||
| Like a helium balloon | ||
| Like a blimp |