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Notice is hereby given that it is proposed to man the Defence Searchlights on Thursday, 14th instant, at all stations. Lights will be on approximately 6 p.m. to 9 p.m.
This will probably take place once a week for some time.
HARBOUR MASTER'S DEPARTMENT,
HONGKONG, 7th January, 1926,
G. F. HOLE,
Harbour Master, &c.
For Official Use Only.
CHINA STATION HYDROGRAPHICAL MEMORANDA.
84 China Sea-Gulf of Siam.
Koh Lak Light Exhibited.
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Page 30.
Position On top of Koh Lak. Latitude 11° 48′ N., longitude 99° 47' E. Character-Light flashing every 3 seconds, duration of flash 3 second. Height -430 feet.
Visibility-12 miles.
Power-820 candles.
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Remarks White concrete beacon structure. Light is unwatched. Charts affected-2719, 2414.
Publication affected-China Sea Pilot, Volume III, Page 117. Authority-Hongkong Government Gazette.
83-China Sea-Hongkong Approaches-Lema Islands--Pinnacle
Rock.
A pinnacle rock with least depth 32 feet rising abruptly from a general depth of 20 fathoms exists in the following position :-
239°-9 cables from Ichau Head, Puntin Island.
Position (approximate)-Latitude 21° 58' 40" N., longitude 11° 06′ 15" E. Charts affected -1180, 3026, 2661a.
Authority-H.M.S. Iroquois, Hydrographic Note No 6 of 1925.
86-Japan-Shimonoseki Strait.
Western Entrance-Wreck in.
A sunken wreck exists in position. 116°-9 cables from Kitazaki Misaki light, Mutsure Jima Island.
Position (approximate)--Latitude 33° 58′ N., longitude 130° 52' E.
Remarks Wreck is marked by a green wreck marking buoy, showing light
occulting green every 8 seconds.
Charts affected-1578, 532.
Authority Japanese Notice to Mariners.