U.S. Coast Guard Lightships

& Those of the U.S. Lighthouse Service


 

VESSEL DESIGNATION: LV 100/WAL 523


YEAR BUILT: 1929

BUILT AT: Portland (OR)

BUILDER: Albina Marine Iron Works

APPROPRIATION: ?

CONTRACT PRICE: $228, 121

SISTER VESSELS: LV 113,114,115,116,117

DESIGN: Diesel„electric screw; steel hull and deckhouses; 2 masts; smokestack amidships

LENGTH: 133'3" (loa); BEAM: 30'0"; DRAFT: 13'3"; TONNAGE: 630 displ

PROPULSION: Diesel-electric; one 350 HP electric motor driven by any or all of four 75 KW diesel engine-generator units; 350 SHP at 300 rpm; max speed 10 knots average 9 knots

ILLUMINATING APPARATUS: 375mm electric lens lantern with 1000 watt lamp at each mast head

FOG SIGNAL: Air diaphone via 4-way cast iron horn; hand operated bell

CONSTRUCTION NOTES - MODIFICATIONS - EQUIPMENT CHANGES & IMPROVEMENTS:
First US lightship built with diesel-electric propulsion system; reported as representing a savings of 100 tons relative to a similar steam propelled vessel-
Delivered and placed in commission 1930-
1930: Equipped with radio and radiobeacon when built-
1933: Radiobeacon synchronized with fog signal for distance finding-
1945: Fitted with detection radar and sonar-
Radio and visual call sign NMGP (1940-1971)

STATION ASSIGNMENTS:
1930-1942: Blunts Reef (CA)
1942-1945: Examination Vessel, WWII
1945-1969: Blunts Reef (CA)
1959-1969: Relief (West Coast)
1969-1971: San Francisco (CA)

(1942-1945: During WWlI, withdrawn and assigned to NORWESTSEAFRON, stationed at Eureka CA and used as examination vessel; no armament provided. Classed as a "YN" net tender during the period)

HISTORICAL NOTES:
1929: Jun 17 launched on Portland Oregon's "Marine Day" with large celebration-
1929: Oct 21/22, builders trials; Oct 23 departed for San Francisco in advance of being assigned to duty on Blunts Reef-
1930: Commissioned at San Francisco and placed on Blunts Reef station off Cape Mendocino (CA)

RETIRED FROM LIGHTSHIP DUTY: 1971; AGE: 42

SUBSEQUENT DISPOSITION: Decommissioned May 12, 197l; transferred to U.S. Navy Aug 6, 1971 for further transfer to Vietnam.

COMMANDING OFFICERS:

1937-?: Alfred J. M. Prien, Mate


PHOTOGRAPHS:

Click here to view a photo of LV-100.


 

 

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Last Modified 1/26/2012