III. List of lights (список огней) the admiralty list of lights fog signals and visual time signals volume 4

1950

Corrected to 2nd May

Eastern Side of North and South Atlantic Oceans, South of Dunkerque (Western Coasts of Europe and Africa including Azores, Madeira, Canary and Cape Verde Islands, etc.)

International Numbers of Lights are the Light List Numbers herein prefixed by the following letters for each Volume. Vol. 1—A Vol. 4—D Vol. 7—G Vol. 10—К " 2—В " 5—E " 8—H " 11—L " 3—С " 6—F " 9—J " 12—M except in a few cases where descriptions of lights appear in two volumes. In such cases, the International Number is given in brackets below the Admiralty Number in column I.

London Published by the Hydrographic Department Admiralty

Introductory remarks lights

TYPES OF PRINTING USED FOR NAMES OF LIGHTS. —The names and visibilities of lights intended for making the coast and the visibilities of lights which show 15 miles and over are printed in thick (Ionic) letters; lights other than the above in ordinary (Roman) Type. The names of light-vessels are shown in Italic Capi­tals; floating lights other than the above in Italics.

(U) after the name of a light indicates that it is Unwatched, and therefore must not be implicitly relied on.

POSITIONS OF LIGHTS. —The latitudes and longitudes given in the list are approximate, and are only intended to facilitate reference to a chart

SYSTEM of COLOURING LIGHTS on CHARTS. —The approx­imate position of a shore light is indicated by a yellow colour of a shade distinctly visible both by day and by artificial light, and sufficiently transparent to enable the engraved star or dot denoting the exact position of the light to be clearly seen through it.

CHARACTERISTICS. — Lights may either show a continuous steady light, or be varied by the introduction of flashes and eclipses. They are divided generally into two classes, as shown below in parallel columns, viz.: —

(1) Lights whose colour does not alter throughout the entire system of changes;

(2) Lights which alter in colour;

both classes having the same characteristic phases.

Lights, whose Colour does not alter

Characteristic Phases

Lights, which alter in Colour

F. Fixed Fl. Flashing

Gp. Fl. Group flashing

Occ. Occulting

Gp. Occ. Group occulting

F. Fl. Fixed and flashing

F. Gp. Fl. Fixed and group flash­ing

A continuous steady light

1. Showing a single flash at regu­lar intervals, the duration of light being always less than that of darkness.

2. A steady light with, at regular intervals, a total eclipse; the duration of light being always less than that of darkness.

Showing, at regular intervals, a group of two or more flashes

A steady light with, at regular in­tervals, a sudden and total ec­lipse; the duration of darkness being always less than, or equal to, that of light.

A steady light with, at regular in­tervals, a group of two or more sudden eclipses.

A fixed light varied, at regular in­tervals, by a single flash of rel­atively greater brilliancy. The flash may or may not, be pre­ceded and followed by an eclipse.

A fixed light varied, at regular intervals, by a group of two or more flashes of relatively greater brilliancy. The group may, or may not, be preceded and fol­lowed by an eclipse.

Alt. Alternating

Alt. Fl. Alternating flashing

Alt. Gp. Fl. Alter­nating group flash­ing

Alt. Occ. Alter­nating Occulting

Alt. Gp. Occ. Alter­nating group oc­culting

Alt. F. Fl. Alternat­ing fixed and flashing

Alt. F. Gp. Fl. Al­ternating fixed and group flashing

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Description of building or vessel, with approximate height in feet

REMARKS

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White tower 24

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