| Clue | Source | Date |
|---|---|---|
| Suit dealt out to gain the heights (9) | ||
| Angles of elevation above the horizon (9) | ||
| Heights above sea level | The Guardian Quick | 25 Apr 2023 |
| Heights above sea level | Newsday | 22 Mar 2022 |
| Heights | Thomas Joseph | 05 Mar 2022 |
| Cockpit readings | USA Today | 05 Jan 2019 |
| Cockpit readings | ||
| Heights | Thomas Joseph | 23 Oct 2017 |
| Air-to-sea readings | ||
| Cockpit readings | ||
| Heights | ||
| Pilot's data | ||
| Pilot's data | ||
| Controllers' concerns |