| Clue | Source | Date |
|---|---|---|
| Three-engine plane | LA Times Daily | 10 May 2019 |
| Three-engine plane | The Washington Post | 10 May 2019 |
| Three-engine plane | ||
| Ford aircraft of the 1920s-'30s | New York Times | 21 Jan 2016 |
| Ford aircraft of the 1920s-'30s | ||
| Ford 1925 "Tin Goose" aircraft, e.g. | ||
| Ford 1925 "Tin Goose" aircraft, e.g. | ||
| Certain airplane | ||
| Triple-engined. |