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 | Yes | 25-02-2020 | |
| 27-04-2021 | |||||
| Daymark | The part of an aid to navigation that is visible during daylight. | DAY | Yes | Pr_40_10_90_21 | 27-04-2021 |
| Daymark | The part of an aid to navigation that is visible during daylight. | DAY | Yes | Pr_40_10_90_21 | 11-04-2023 |