| Clue | Source | Date |
|---|---|---|
| PLA frigate is flying a standard with skull and crossbones (6,4) | ||
| Ominous sign at sea | ||
| Standard for a high seas villain | LA Times Daily | 01 Jul 2021 |
| Standard for a high seas villain | The Washington Post | 01 Jul 2021 |
| Pennant won by a Pittsburgh baseballer? | Premier Sunday | 09 May 2021 |
| Hook flew one | USA Today | 06 Jul 2016 |
| Hook flew one | ||
| Jolly Roger | ||
| Jolly Roger | ||
| Blackbeard flew one | ||
| Hostile takeover symbol | ||
| "Treasure Island" standard | ||
| Winning pennant: 1979 | ||
| Jolly Roger. | ||
| The Jolly Roger. | ||
| It has a prominent skull |