| Clue | Source | Date |
|---|---|---|
| What are wheeled undercarriages at the ends of a rail vehicle called? (6) | ||
| Unidentified flying radar blips | The Washington Post | 15 Aug 2021 |
| Unidentified flying radar blips | LA Times Daily | 15 Aug 2021 |
| Unidentified flying radar blips | LA Times Daily | 04 Jul 2016 |
| Unidentified flying radar blips | ||
| Unidentified planes | USA Today | 02 Mar 2015 |
| Unidentified planes | ||
| Isn't up to par? | ||
| Unidentified planes | ||
| Unidentified planes | ||
| Strongly built carts | ||
| Golf scores | ||
| Goblins. | ||
| Bugbears. |