Admiralty List of Lights and Fog Signals
This series of books provides extensive information on all lighthouses, lightships, lit floating marks (over 8m in height), fog signals and other lights of navigational significance.
Each publication also gives the characteristics of lights and fog signals, together with the equivalent foreign language light descriptions. Tables can be used to calculate the geographical and luminous ranges of lights. Details for all lights listed include the international number, location and/or name, geographical co-ordinates, characteristics and intensity, elevation in metres, range in sea miles and description of structure.
INTERNATIONAL HYDROGRAPHIC ORGANIZATION
STANDARDIZATION of LIST OF LIGHTS and FOG SIGNALS
June 2004
Chart No. 1
UNITED STATES OF AMERICA
Nautical Chart Symbols, Abbreviations and Terms
Eleventh Edition November 2011
(1) the first one Edition "Admiralty List of Lights and Fog Signals Volume P NP87" is 2018/19 Edition, do you think so ?
(2) How old NP79 ?
(2) the first one Edition "Admiralty List of Lights and Fog Signals Volume F NP79" is 2013/14 Edition, do you think so ?
(3) How old NP88 ?
(3) the first one Edition "Admiralty List of Lights and Fog Signals Volume Q NP88" is 2021 Edition, do you think so ?
Quote from: fluorite on December 01, 2021, 04:32:16 AM
(1) the first one Edition "Admiralty List of Lights and Fog Signals Volume P NP87" is 2018/19 Edition, do you think so ?
(2) How old NP79 ?
(2) the first one Edition "Admiralty List of Lights and Fog Signals Volume F NP79" is 2013/14 Edition, do you think so ?
(3) How old NP88 ?
(3) the first one Edition "Admiralty List of Lights and Fog Signals Volume Q NP88" is 2021 Edition, do you think so ?
(1) - Correct
(2) - Volume F was exist for a long time, at least back in 2009
(3) - I think around 2018/19