| Clue | Source | Date |
|---|---|---|
| Was aboard | Newsday | 22 Apr 2023 |
| Got to work via, say | Wall Street Journal | 25 Jun 2022 |
| Was mounted atop | New York Times | 25 Feb 2018 |
| Was mounted atop | ||
| Would be determined by | ||
| Took to work, say | Wall Street Journal | 10 Jun 2016 |
| Emulated the 600. |