| Clue | Source | Date |
|---|---|---|
| Plans for stand-in: reject spam (6,4) | ||
| Charts showing me origins of shipping forecast areas: peril at sea (6,4) | ||
| Depictions of lands’ ups and downs | New York Times | 16 Dec 2021 |
| Three-D terrain charts | Newsday | 23 Aug 2017 |
| They show altitude |