ADMIRALTY Digital List of Lights (ADLL) is an advanced source of navigational light and fog signal information, with coverage of more than 85,000 individual fixed light structures including lighthouses, lightships, lit floating marks and fog signals.
Part of the ADMIRALTY Digital Publication (ADP) range, ADLL contains all the detail of its paper equivalents, with the added convenience of fast, accurate weekly updates and simple searching of information. These important features can save bridge crews time and reduce the risk of human error.
Key features of ADLL include: