History of Daymark
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Daymark | The part of an aid to navigation that is visible during daylight. | DAY | No | Pr_40_10_90_21 | 27-04-2021 |
| Daymark | The part of an aid to navigation that is visible during daylight. | DAY | No | Pr_40_10_90_21 | 11-04-2023 |