| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sat Jun 27, 1992 | 69A | Sonar, in England | Dorothea E. Shipp | Maleska |
| Thu Nov 15, 1984 | 34A | British sub-detection apparatus | Hickmott | Maleska |
| Mon Sep 15, 1969 | 55D | Sonar. | Unknown | Weng |
| Fri Jul 4, 1969 | 55A | Antisubmarine device. | Unknown | Weng |
| Sun Sep 12, 1965 | 28D | Sonar, British style. | Jack Luzzatto | Farrar |
| Sat Oct 7, 1961 | 1A | British sonar. | Unknown | Farrar |
| Sun Mar 12, 1944 | 74A | British submarine detection device. | Betty C. Crisman | Farrar |