LORAN
| Date | Clue |
|---|---|
| 2007-12-27 | Nautical acronym |
| 2007-03-04 | Guidance system at sea |
| 2006-04-02 | Old global positioning system |
| 2004-08-09 | Ship's navigation system |
| 2004-03-31 | Navigation acronym |
| 2003-04-22 | System for pilots |
| 2001-05-08 | Navigational aid |
| 2000-08-21 | Ship navigation aid |
| 1999-09-27 | Navigational system |
| 1996-03-04 | Ship's guidance system |
| 1995-06-04 | Navigational aid |
| 1994-10-04 | Navigational system |